Home / 521,024.78-781,522.59-166,060.10

Finding the Fourth Proportional to 521,024.78, 781,522.59 and 166,060.10

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Solution

The fourth proportional to 521,024.78, 781,522.59 and 166,060.10 is: 249,085.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,024.78 : 781,522.59 = 166,060.10 : x
  2. Step 2: Convert to fraction form
    521,024.78/781,522.59 = 166,060.10/x
  3. Step 3: Cross multiply
    521,024.78x = 781,522.59 × 166,060.10
  4. Step 4: Simplify right side
    521,024.78x = 129,779,719,447.66
  5. Step 5: Solve for x
    x = 129,779,719,447.66/521,024.78
  6. Step 6: Final answer
    x = 249,085.50

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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.