Home / 226,409.77-312,425.13-124,434.10

Finding the Fourth Proportional to 226,409.77, 312,425.13 and 124,434.10

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Solution

The fourth proportional to 226,409.77, 312,425.13 and 124,434.10 is: 171,707.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,409.77 : 312,425.13 = 124,434.10 : x
  2. Step 2: Convert to fraction form
    226,409.77/312,425.13 = 124,434.10/x
  3. Step 3: Cross multiply
    226,409.77x = 312,425.13 × 124,434.10
  4. Step 4: Simplify right side
    226,409.77x = 38,876,339,868.93
  5. Step 5: Solve for x
    x = 38,876,339,868.93/226,409.77
  6. Step 6: Final answer
    x = 171,707.87

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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.