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Finding the Fourth Proportional to 522,160.20, 783,294.98 and 222,672.42

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Solution

The fourth proportional to 522,160.20, 783,294.98 and 222,672.42 is: 334,031.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,160.20 : 783,294.98 = 222,672.42 : x
  2. Step 2: Convert to fraction form
    522,160.20/783,294.98 = 222,672.42/x
  3. Step 3: Cross multiply
    522,160.20x = 783,294.98 × 222,672.42
  4. Step 4: Simplify right side
    522,160.20x = 174,418,187,657.09
  5. Step 5: Solve for x
    x = 174,418,187,657.09/522,160.20
  6. Step 6: Final answer
    x = 334,031.95

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1.5x scale

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.