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Finding the Fourth Proportional to 501,046.74, 751,694.66 and 146,063.88

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Solution

The fourth proportional to 501,046.74, 751,694.66 and 146,063.88 is: 219,132.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,046.74 : 751,694.66 = 146,063.88 : x
  2. Step 2: Convert to fraction form
    501,046.74/751,694.66 = 146,063.88/x
  3. Step 3: Cross multiply
    501,046.74x = 751,694.66 × 146,063.88
  4. Step 4: Simplify right side
    501,046.74x = 109,795,434,856.41
  5. Step 5: Solve for x
    x = 109,795,434,856.41/501,046.74
  6. Step 6: Final answer
    x = 219,132.12

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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.