Home / 437,439.57-656,097.04-137,881.20

Finding the Fourth Proportional to 437,439.57, 656,097.04 and 137,881.20

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Solution

The fourth proportional to 437,439.57, 656,097.04 and 137,881.20 is: 206,802.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,439.57 : 656,097.04 = 137,881.20 : x
  2. Step 2: Convert to fraction form
    437,439.57/656,097.04 = 137,881.20/x
  3. Step 3: Cross multiply
    437,439.57x = 656,097.04 × 137,881.20
  4. Step 4: Simplify right side
    437,439.57x = 90,463,447,191.65
  5. Step 5: Solve for x
    x = 90,463,447,191.65/437,439.57
  6. Step 6: Final answer
    x = 206,802.16

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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.