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Finding the Fourth Proportional to 239,715.86, 359,534.53 and 97,555.39

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Solution

The fourth proportional to 239,715.86, 359,534.53 and 97,555.39 is: 146,317.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,715.86 : 359,534.53 = 97,555.39 : x
  2. Step 2: Convert to fraction form
    239,715.86/359,534.53 = 97,555.39/x
  3. Step 3: Cross multiply
    239,715.86x = 359,534.53 × 97,555.39
  4. Step 4: Simplify right side
    239,715.86x = 35,074,530,149.89
  5. Step 5: Solve for x
    x = 35,074,530,149.89/239,715.86
  6. Step 6: Final answer
    x = 146,317.11

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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.