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Finding the Fourth Proportional to 100,466.52, 150,726.03 and 58,306.06

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Solution

The fourth proportional to 100,466.52, 150,726.03 and 58,306.06 is: 87,474.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,466.52 : 150,726.03 = 58,306.06 : x
  2. Step 2: Convert to fraction form
    100,466.52/150,726.03 = 58,306.06/x
  3. Step 3: Cross multiply
    100,466.52x = 150,726.03 × 58,306.06
  4. Step 4: Simplify right side
    100,466.52x = 8,788,240,948.74
  5. Step 5: Solve for x
    x = 8,788,240,948.74/100,466.52
  6. Step 6: Final answer
    x = 87,474.32

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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.