Home / 226,577.10-312,700.28-129,788.68

Finding the Fourth Proportional to 226,577.10, 312,700.28 and 129,788.68

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Solution

The fourth proportional to 226,577.10, 312,700.28 and 129,788.68 is: 179,122.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,577.10 : 312,700.28 = 129,788.68 : x
  2. Step 2: Convert to fraction form
    226,577.10/312,700.28 = 129,788.68/x
  3. Step 3: Cross multiply
    226,577.10x = 312,700.28 × 129,788.68
  4. Step 4: Simplify right side
    226,577.10x = 40,584,956,576.83
  5. Step 5: Solve for x
    x = 40,584,956,576.83/226,577.10
  6. Step 6: Final answer
    x = 179,122.06

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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.