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Finding the Fourth Proportional to 307,954.60, 424,989.45 and 177,132.01

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Solution

The fourth proportional to 307,954.60, 424,989.45 and 177,132.01 is: 244,449.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,954.60 : 424,989.45 = 177,132.01 : x
  2. Step 2: Convert to fraction form
    307,954.60/424,989.45 = 177,132.01/x
  3. Step 3: Cross multiply
    307,954.60x = 424,989.45 × 177,132.01
  4. Step 4: Simplify right side
    307,954.60x = 75,279,235,507.29
  5. Step 5: Solve for x
    x = 75,279,235,507.29/307,954.60
  6. Step 6: Final answer
    x = 244,449.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.