Home / 226,470.09-312,532.70-124,499.87

Finding the Fourth Proportional to 226,470.09, 312,532.70 and 124,499.87

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Solution

The fourth proportional to 226,470.09, 312,532.70 and 124,499.87 is: 171,812.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,470.09 : 312,532.70 = 124,499.87 : x
  2. Step 2: Convert to fraction form
    226,470.09/312,532.70 = 124,499.87/x
  3. Step 3: Cross multiply
    226,470.09x = 312,532.70 × 124,499.87
  4. Step 4: Simplify right side
    226,470.09x = 38,910,279,507.58
  5. Step 5: Solve for x
    x = 38,910,279,507.58/226,470.09
  6. Step 6: Final answer
    x = 171,812.00

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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.