Home / 605,450.10-908,175.15-162,218.10

Finding the Fourth Proportional to 605,450.10, 908,175.15 and 162,218.10

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Solution

The fourth proportional to 605,450.10, 908,175.15 and 162,218.10 is: 243,327.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,450.10 : 908,175.15 = 162,218.10 : x
  2. Step 2: Convert to fraction form
    605,450.10/908,175.15 = 162,218.10/x
  3. Step 3: Cross multiply
    605,450.10x = 908,175.15 × 162,218.10
  4. Step 4: Simplify right side
    605,450.10x = 147,322,447,300.22
  5. Step 5: Solve for x
    x = 147,322,447,300.22/605,450.10
  6. Step 6: Final answer
    x = 243,327.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.