Home / 521,024.91-781,522.78-166,060.23

Finding the Fourth Proportional to 521,024.91, 781,522.78 and 166,060.23

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Solution

The fourth proportional to 521,024.91, 781,522.78 and 166,060.23 is: 249,085.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,024.91 : 781,522.78 = 166,060.23 : x
  2. Step 2: Convert to fraction form
    521,024.91/781,522.78 = 166,060.23/x
  3. Step 3: Cross multiply
    521,024.91x = 781,522.78 × 166,060.23
  4. Step 4: Simplify right side
    521,024.91x = 129,779,848,274.28
  5. Step 5: Solve for x
    x = 129,779,848,274.28/521,024.91
  6. Step 6: Final answer
    x = 249,085.69

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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.