Home / 226,444.96-312,487.30-129,645.61

Finding the Fourth Proportional to 226,444.96, 312,487.30 and 129,645.61

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Solution

The fourth proportional to 226,444.96, 312,487.30 and 129,645.61 is: 178,907.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,444.96 : 312,487.30 = 129,645.61 : x
  2. Step 2: Convert to fraction form
    226,444.96/312,487.30 = 129,645.61/x
  3. Step 3: Cross multiply
    226,444.96x = 312,487.30 × 129,645.61
  4. Step 4: Simplify right side
    226,444.96x = 40,512,606,006.59
  5. Step 5: Solve for x
    x = 40,512,606,006.59/226,444.96
  6. Step 6: Final answer
    x = 178,907.08

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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.