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Finding the Fourth Proportional to 437,781.65, 656,674.29 and 122,237.64

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Solution

The fourth proportional to 437,781.65, 656,674.29 and 122,237.64 is: 183,356.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,781.65 : 656,674.29 = 122,237.64 : x
  2. Step 2: Convert to fraction form
    437,781.65/656,674.29 = 122,237.64/x
  3. Step 3: Cross multiply
    437,781.65x = 656,674.29 × 122,237.64
  4. Step 4: Simplify right side
    437,781.65x = 80,270,315,458.28
  5. Step 5: Solve for x
    x = 80,270,315,458.28/437,781.65
  6. Step 6: Final answer
    x = 183,356.97

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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.