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Finding the Fourth Proportional to 225,239.96, 337,760.31 and 67,439.00

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Solution

The fourth proportional to 225,239.96, 337,760.31 and 67,439.00 is: 101,128.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,239.96 : 337,760.31 = 67,439.00 : x
  2. Step 2: Convert to fraction form
    225,239.96/337,760.31 = 67,439.00/x
  3. Step 3: Cross multiply
    225,239.96x = 337,760.31 × 67,439.00
  4. Step 4: Simplify right side
    225,239.96x = 22,778,218,643.39
  5. Step 5: Solve for x
    x = 22,778,218,643.39/225,239.96
  6. Step 6: Final answer
    x = 101,128.67

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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.