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Finding the Fourth Proportional to 176,768.43, 265,194.10 and 58,438.97

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Solution

The fourth proportional to 176,768.43, 265,194.10 and 58,438.97 is: 87,672.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,768.43 : 265,194.10 = 58,438.97 : x
  2. Step 2: Convert to fraction form
    176,768.43/265,194.10 = 58,438.97/x
  3. Step 3: Cross multiply
    176,768.43x = 265,194.10 × 58,438.97
  4. Step 4: Simplify right side
    176,768.43x = 15,497,669,795.63
  5. Step 5: Solve for x
    x = 15,497,669,795.63/176,768.43
  6. Step 6: Final answer
    x = 87,672.16

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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.