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Finding the Fourth Proportional to 151,355.98, 227,033.92 and 70,294.78

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Solution

The fourth proportional to 151,355.98, 227,033.92 and 70,294.78 is: 105,442.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,355.98 : 227,033.92 = 70,294.78 : x
  2. Step 2: Convert to fraction form
    151,355.98/227,033.92 = 70,294.78/x
  3. Step 3: Cross multiply
    151,355.98x = 227,033.92 × 70,294.78
  4. Step 4: Simplify right side
    151,355.98x = 15,959,299,458.94
  5. Step 5: Solve for x
    x = 15,959,299,458.94/151,355.98
  6. Step 6: Final answer
    x = 105,442.15

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1.5x scale

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.