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Finding the Fourth Proportional to 239,008.34, 358,530.86 and 61,517.09

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Solution

The fourth proportional to 239,008.34, 358,530.86 and 61,517.09 is: 92,280.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,008.34 : 358,530.86 = 61,517.09 : x
  2. Step 2: Convert to fraction form
    239,008.34/358,530.86 = 61,517.09/x
  3. Step 3: Cross multiply
    239,008.34x = 358,530.86 × 61,517.09
  4. Step 4: Simplify right side
    239,008.34x = 22,055,773,543.54
  5. Step 5: Solve for x
    x = 22,055,773,543.54/239,008.34
  6. Step 6: Final answer
    x = 92,280.35

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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.