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Finding the Fourth Proportional to 235,985.52, 355,757.22 and 220,764

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Solution

The fourth proportional to 235,985.52, 355,757.22 and 220,764 is: 332,810.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,985.52 : 355,757.22 = 220,764 : x
  2. Step 2: Convert to fraction form
    235,985.52/355,757.22 = 220,764/x
  3. Step 3: Cross multiply
    235,985.52x = 355,757.22 × 220,764
  4. Step 4: Simplify right side
    235,985.52x = 78,538,386,916.08
  5. Step 5: Solve for x
    x = 78,538,386,916.08/235,985.52
  6. Step 6: Final answer
    x = 332,810.19

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.