Home / 250,723.35-375,731.39-138,454.11

Finding the Fourth Proportional to 250,723.35, 375,731.39 and 138,454.11

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Solution

The fourth proportional to 250,723.35, 375,731.39 and 138,454.11 is: 207,485.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,723.35 : 375,731.39 = 138,454.11 : x
  2. Step 2: Convert to fraction form
    250,723.35/375,731.39 = 138,454.11/x
  3. Step 3: Cross multiply
    250,723.35x = 375,731.39 × 138,454.11
  4. Step 4: Simplify right side
    250,723.35x = 52,021,555,547.65
  5. Step 5: Solve for x
    x = 52,021,555,547.65/250,723.35
  6. Step 6: Final answer
    x = 207,485.88

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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.