Home / 521,024.53-781,522.22-166,059.85

Finding the Fourth Proportional to 521,024.53, 781,522.22 and 166,059.85

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Solution

The fourth proportional to 521,024.53, 781,522.22 and 166,059.85 is: 249,085.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,024.53 : 781,522.22 = 166,059.85 : x
  2. Step 2: Convert to fraction form
    521,024.53/781,522.22 = 166,059.85/x
  3. Step 3: Cross multiply
    521,024.53x = 781,522.22 × 166,059.85
  4. Step 4: Simplify right side
    521,024.53x = 129,779,461,794.57
  5. Step 5: Solve for x
    x = 129,779,461,794.57/521,024.53
  6. Step 6: Final answer
    x = 249,085.13

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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.