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Finding the Fourth Proportional to 225,240.24, 337,831.20 and 75,445.32

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Solution

The fourth proportional to 225,240.24, 337,831.20 and 75,445.32 is: 113,158.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,240.24 : 337,831.20 = 75,445.32 : x
  2. Step 2: Convert to fraction form
    225,240.24/337,831.20 = 75,445.32/x
  3. Step 3: Cross multiply
    225,240.24x = 337,831.20 × 75,445.32
  4. Step 4: Simplify right side
    225,240.24x = 25,487,782,989.98
  5. Step 5: Solve for x
    x = 25,487,782,989.98/225,240.24
  6. Step 6: Final answer
    x = 113,158.21

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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.