Home / 391,577.07-587,078.33-125,184.27

Finding the Fourth Proportional to 391,577.07, 587,078.33 and 125,184.27

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Solution

The fourth proportional to 391,577.07, 587,078.33 and 125,184.27 is: 187,684.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,577.07 : 587,078.33 = 125,184.27 : x
  2. Step 2: Convert to fraction form
    391,577.07/587,078.33 = 125,184.27/x
  3. Step 3: Cross multiply
    391,577.07x = 587,078.33 × 125,184.27
  4. Step 4: Simplify right side
    391,577.07x = 73,492,971,547.95
  5. Step 5: Solve for x
    x = 73,492,971,547.95/391,577.07
  6. Step 6: Final answer
    x = 187,684.56

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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.