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Finding the Fourth Proportional to 242,607, 363,508.11 and 147,549.63

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Solution

The fourth proportional to 242,607, 363,508.11 and 147,549.63 is: 221,079.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,607 : 363,508.11 = 147,549.63 : x
  2. Step 2: Convert to fraction form
    242,607/363,508.11 = 147,549.63/x
  3. Step 3: Cross multiply
    242,607x = 363,508.11 × 147,549.63
  4. Step 4: Simplify right side
    242,607x = 53,635,487,132.50
  5. Step 5: Solve for x
    x = 53,635,487,132.50/242,607
  6. Step 6: Final answer
    x = 221,079.72

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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.