Home / 521,024.03-781,521.47-166,059.35

Finding the Fourth Proportional to 521,024.03, 781,521.47 and 166,059.35

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Solution

The fourth proportional to 521,024.03, 781,521.47 and 166,059.35 is: 249,084.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,024.03 : 781,521.47 = 166,059.35 : x
  2. Step 2: Convert to fraction form
    521,024.03/781,521.47 = 166,059.35/x
  3. Step 3: Cross multiply
    521,024.03x = 781,521.47 × 166,059.35
  4. Step 4: Simplify right side
    521,024.03x = 129,778,946,488.95
  5. Step 5: Solve for x
    x = 129,778,946,488.95/521,024.03
  6. Step 6: Final answer
    x = 249,084.38

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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.