Home / 226,402.97-312,443.58-124,432.04

Finding the Fourth Proportional to 226,402.97, 312,443.58 and 124,432.04

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Solution

The fourth proportional to 226,402.97, 312,443.58 and 124,432.04 is: 171,720.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,402.97 : 312,443.58 = 124,432.04 : x
  2. Step 2: Convert to fraction form
    226,402.97/312,443.58 = 124,432.04/x
  3. Step 3: Cross multiply
    226,402.97x = 312,443.58 × 124,432.04
  4. Step 4: Simplify right side
    226,402.97x = 38,877,992,063.32
  5. Step 5: Solve for x
    x = 38,877,992,063.32/226,402.97
  6. Step 6: Final answer
    x = 171,720.33

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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.