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Finding the Fourth Proportional to 234,148.32, 350,867.70 and 154,978.92

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Solution

The fourth proportional to 234,148.32, 350,867.70 and 154,978.92 is: 232,233.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,148.32 : 350,867.70 = 154,978.92 : x
  2. Step 2: Convert to fraction form
    234,148.32/350,867.70 = 154,978.92/x
  3. Step 3: Cross multiply
    234,148.32x = 350,867.70 × 154,978.92
  4. Step 4: Simplify right side
    234,148.32x = 54,377,097,208.88
  5. Step 5: Solve for x
    x = 54,377,097,208.88/234,148.32
  6. Step 6: Final answer
    x = 232,233.56

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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.