Home / 521,024.08-781,426.74-146,959.60

Finding the Fourth Proportional to 521,024.08, 781,426.74 and 146,959.60

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Solution

The fourth proportional to 521,024.08, 781,426.74 and 146,959.60 is: 220,408.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,024.08 : 781,426.74 = 146,959.60 : x
  2. Step 2: Convert to fraction form
    521,024.08/781,426.74 = 146,959.60/x
  3. Step 3: Cross multiply
    521,024.08x = 781,426.74 × 146,959.60
  4. Step 4: Simplify right side
    521,024.08x = 114,838,161,139.70
  5. Step 5: Solve for x
    x = 114,838,161,139.70/521,024.08
  6. Step 6: Final answer
    x = 220,408.55

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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.