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Finding the Fourth Proportional to 239,002.73, 358,513.99 and 70,523.05

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Solution

The fourth proportional to 239,002.73, 358,513.99 and 70,523.05 is: 105,787.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,002.73 : 358,513.99 = 70,523.05 : x
  2. Step 2: Convert to fraction form
    239,002.73/358,513.99 = 70,523.05/x
  3. Step 3: Cross multiply
    239,002.73x = 358,513.99 × 70,523.05
  4. Step 4: Simplify right side
    239,002.73x = 25,283,499,689.85
  5. Step 5: Solve for x
    x = 25,283,499,689.85/239,002.73
  6. Step 6: Final answer
    x = 105,787.49

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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.