Home / 312,026.14-468,036.78-162,189.10

Finding the Fourth Proportional to 312,026.14, 468,036.78 and 162,189.10

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Solution

The fourth proportional to 312,026.14, 468,036.78 and 162,189.10 is: 243,282.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,026.14 : 468,036.78 = 162,189.10 : x
  2. Step 2: Convert to fraction form
    312,026.14/468,036.78 = 162,189.10/x
  3. Step 3: Cross multiply
    312,026.14x = 468,036.78 × 162,189.10
  4. Step 4: Simplify right side
    312,026.14x = 75,910,464,115.10
  5. Step 5: Solve for x
    x = 75,910,464,115.10/312,026.14
  6. Step 6: Final answer
    x = 243,282.39

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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.