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Finding the Fourth Proportional to 637,236.72, 955,857.76 and 258,164.80

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Solution

The fourth proportional to 637,236.72, 955,857.76 and 258,164.80 is: 387,248.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,236.72 : 955,857.76 = 258,164.80 : x
  2. Step 2: Convert to fraction form
    637,236.72/955,857.76 = 258,164.80/x
  3. Step 3: Cross multiply
    637,236.72x = 955,857.76 × 258,164.80
  4. Step 4: Simplify right side
    637,236.72x = 246,768,827,438.85
  5. Step 5: Solve for x
    x = 246,768,827,438.85/637,236.72
  6. Step 6: Final answer
    x = 387,248.29

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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.