Home / 391,247.91-586,822.86-124,986.33

Finding the Fourth Proportional to 391,247.91, 586,822.86 and 124,986.33

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Solution

The fourth proportional to 391,247.91, 586,822.86 and 124,986.33 is: 187,463.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,247.91 : 586,822.86 = 124,986.33 : x
  2. Step 2: Convert to fraction form
    391,247.91/586,822.86 = 124,986.33/x
  3. Step 3: Cross multiply
    391,247.91x = 586,822.86 × 124,986.33
  4. Step 4: Simplify right side
    391,247.91x = 73,344,835,631.50
  5. Step 5: Solve for x
    x = 73,344,835,631.50/391,247.91
  6. Step 6: Final answer
    x = 187,463.84

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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.