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Finding the Fourth Proportional to 458,846.82, 688,270.23 and 178,429.68

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Solution

The fourth proportional to 458,846.82, 688,270.23 and 178,429.68 is: 267,644.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,846.82 : 688,270.23 = 178,429.68 : x
  2. Step 2: Convert to fraction form
    458,846.82/688,270.23 = 178,429.68/x
  3. Step 3: Cross multiply
    458,846.82x = 688,270.23 × 178,429.68
  4. Step 4: Simplify right side
    458,846.82x = 122,807,836,892.43
  5. Step 5: Solve for x
    x = 122,807,836,892.43/458,846.82
  6. Step 6: Final answer
    x = 267,644.52

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Similar ratio
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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.