Home / 250,456.32-375,740.10-72,976.68

Finding the Fourth Proportional to 250,456.32, 375,740.10 and 72,976.68

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Solution

The fourth proportional to 250,456.32, 375,740.10 and 72,976.68 is: 109,481.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,456.32 : 375,740.10 = 72,976.68 : x
  2. Step 2: Convert to fraction form
    250,456.32/375,740.10 = 72,976.68/x
  3. Step 3: Cross multiply
    250,456.32x = 375,740.10 × 72,976.68
  4. Step 4: Simplify right side
    250,456.32x = 27,420,265,040.87
  5. Step 5: Solve for x
    x = 27,420,265,040.87/250,456.32
  6. Step 6: Final answer
    x = 109,481.23

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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.