Home / 391,165.24-539,789.34-240,233.08

Finding the Fourth Proportional to 391,165.24, 539,789.34 and 240,233.08

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Solution

The fourth proportional to 391,165.24, 539,789.34 and 240,233.08 is: 331,510.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,165.24 : 539,789.34 = 240,233.08 : x
  2. Step 2: Convert to fraction form
    391,165.24/539,789.34 = 240,233.08/x
  3. Step 3: Cross multiply
    391,165.24x = 539,789.34 × 240,233.08
  4. Step 4: Simplify right side
    391,165.24x = 129,675,255,699.37
  5. Step 5: Solve for x
    x = 129,675,255,699.37/391,165.24
  6. Step 6: Final answer
    x = 331,510.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.