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Finding the Fourth Proportional to 232,668.56, 348,988.93 and 82,900.91

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Solution

The fourth proportional to 232,668.56, 348,988.93 and 82,900.91 is: 124,346.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,668.56 : 348,988.93 = 82,900.91 : x
  2. Step 2: Convert to fraction form
    232,668.56/348,988.93 = 82,900.91/x
  3. Step 3: Cross multiply
    232,668.56x = 348,988.93 × 82,900.91
  4. Step 4: Simplify right side
    232,668.56x = 28,931,499,876.93
  5. Step 5: Solve for x
    x = 28,931,499,876.93/232,668.56
  6. Step 6: Final answer
    x = 124,346.41

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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.