Home / 226,045.32-339,400.89-126,400.74

Finding the Fourth Proportional to 226,045.32, 339,400.89 and 126,400.74

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Solution

The fourth proportional to 226,045.32, 339,400.89 and 126,400.74 is: 189,787.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,045.32 : 339,400.89 = 126,400.74 : x
  2. Step 2: Convert to fraction form
    226,045.32/339,400.89 = 126,400.74/x
  3. Step 3: Cross multiply
    226,045.32x = 339,400.89 × 126,400.74
  4. Step 4: Simplify right side
    226,045.32x = 42,900,523,652.66
  5. Step 5: Solve for x
    x = 42,900,523,652.66/226,045.32
  6. Step 6: Final answer
    x = 189,787.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.