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Finding the Fourth Proportional to 239,419.76, 359,079.22 and 70,941.52

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Solution

The fourth proportional to 239,419.76, 359,079.22 and 70,941.52 is: 106,397.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,419.76 : 359,079.22 = 70,941.52 : x
  2. Step 2: Convert to fraction form
    239,419.76/359,079.22 = 70,941.52/x
  3. Step 3: Cross multiply
    239,419.76x = 359,079.22 × 70,941.52
  4. Step 4: Simplify right side
    239,419.76x = 25,473,623,517.11
  5. Step 5: Solve for x
    x = 25,473,623,517.11/239,419.76
  6. Step 6: Final answer
    x = 106,397.33

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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.