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Finding the Fourth Proportional to 297,883.26, 447,143.22 and 120,506.22

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Solution

The fourth proportional to 297,883.26, 447,143.22 and 120,506.22 is: 180,888.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,883.26 : 447,143.22 = 120,506.22 : x
  2. Step 2: Convert to fraction form
    297,883.26/447,143.22 = 120,506.22/x
  3. Step 3: Cross multiply
    297,883.26x = 447,143.22 × 120,506.22
  4. Step 4: Simplify right side
    297,883.26x = 53,883,539,240.83
  5. Step 5: Solve for x
    x = 53,883,539,240.83/297,883.26
  6. Step 6: Final answer
    x = 180,888.11

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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.