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Finding the Fourth Proportional to 225,238.32, 337,622.11 and 75,355.31

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Solution

The fourth proportional to 225,238.32, 337,622.11 and 75,355.31 is: 112,954.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,238.32 : 337,622.11 = 75,355.31 : x
  2. Step 2: Convert to fraction form
    225,238.32/337,622.11 = 75,355.31/x
  3. Step 3: Cross multiply
    225,238.32x = 337,622.11 × 75,355.31
  4. Step 4: Simplify right side
    225,238.32x = 25,441,619,417.57
  5. Step 5: Solve for x
    x = 25,441,619,417.57/225,238.32
  6. Step 6: Final answer
    x = 112,954.22

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1.5x scale

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.