Home / 226,396.70-312,407.10-124,421.04

Finding the Fourth Proportional to 226,396.70, 312,407.10 and 124,421.04

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Solution

The fourth proportional to 226,396.70, 312,407.10 and 124,421.04 is: 171,689.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,396.70 : 312,407.10 = 124,421.04 : x
  2. Step 2: Convert to fraction form
    226,396.70/312,407.10 = 124,421.04/x
  3. Step 3: Cross multiply
    226,396.70x = 312,407.10 × 124,421.04
  4. Step 4: Simplify right side
    226,396.70x = 38,870,016,285.38
  5. Step 5: Solve for x
    x = 38,870,016,285.38/226,396.70
  6. Step 6: Final answer
    x = 171,689.85

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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.