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Finding the Fourth Proportional to 391,255.34, 586,662.69 and 124,953.26

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Solution

The fourth proportional to 391,255.34, 586,662.69 and 124,953.26 is: 187,359.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,255.34 : 586,662.69 = 124,953.26 : x
  2. Step 2: Convert to fraction form
    391,255.34/586,662.69 = 124,953.26/x
  3. Step 3: Cross multiply
    391,255.34x = 586,662.69 × 124,953.26
  4. Step 4: Simplify right side
    391,255.34x = 73,305,415,635.87
  5. Step 5: Solve for x
    x = 73,305,415,635.87/391,255.34
  6. Step 6: Final answer
    x = 187,359.53

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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.