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Finding the Fourth Proportional to 437,604.65, 656,348.66 and 122,035.13

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Solution

The fourth proportional to 437,604.65, 656,348.66 and 122,035.13 is: 183,036.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,604.65 : 656,348.66 = 122,035.13 : x
  2. Step 2: Convert to fraction form
    437,604.65/656,348.66 = 122,035.13/x
  3. Step 3: Cross multiply
    437,604.65x = 656,348.66 × 122,035.13
  4. Step 4: Simplify right side
    437,604.65x = 80,097,593,438.25
  5. Step 5: Solve for x
    x = 80,097,593,438.25/437,604.65
  6. Step 6: Final answer
    x = 183,036.43

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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.