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Finding the Fourth Proportional to 261,796.70, 392,695.05 and 242,551.10

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Solution

The fourth proportional to 261,796.70, 392,695.05 and 242,551.10 is: 363,826.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,796.70 : 392,695.05 = 242,551.10 : x
  2. Step 2: Convert to fraction form
    261,796.70/392,695.05 = 242,551.10/x
  3. Step 3: Cross multiply
    261,796.70x = 392,695.05 × 242,551.10
  4. Step 4: Simplify right side
    261,796.70x = 95,248,616,342.06
  5. Step 5: Solve for x
    x = 95,248,616,342.06/261,796.70
  6. Step 6: Final answer
    x = 363,826.65

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Similar ratio
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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.