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Finding the Fourth Proportional to 239,052.98, 358,537.90 and 89,294.55

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Solution

The fourth proportional to 239,052.98, 358,537.90 and 89,294.55 is: 133,926.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,052.98 : 358,537.90 = 89,294.55 : x
  2. Step 2: Convert to fraction form
    239,052.98/358,537.90 = 89,294.55/x
  3. Step 3: Cross multiply
    239,052.98x = 358,537.90 × 89,294.55
  4. Step 4: Simplify right side
    239,052.98x = 32,015,480,438.45
  5. Step 5: Solve for x
    x = 32,015,480,438.45/239,052.98
  6. Step 6: Final answer
    x = 133,926.30

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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.