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Finding the Fourth Proportional to 440,857.25, 660,732.67 and 238,445.27

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Solution

The fourth proportional to 440,857.25, 660,732.67 and 238,445.27 is: 357,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,857.25 : 660,732.67 = 238,445.27 : x
  2. Step 2: Convert to fraction form
    440,857.25/660,732.67 = 238,445.27/x
  3. Step 3: Cross multiply
    440,857.25x = 660,732.67 × 238,445.27
  4. Step 4: Simplify right side
    440,857.25x = 157,548,580,951.69
  5. Step 5: Solve for x
    x = 157,548,580,951.69/440,857.25
  6. Step 6: Final answer
    x = 357,368.70

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1.5x scale

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.