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Finding the Fourth Proportional to 250,404.46, 345,567 and 137,227.22

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Solution

The fourth proportional to 250,404.46, 345,567 and 137,227.22 is: 189,378.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,404.46 : 345,567 = 137,227.22 : x
  2. Step 2: Convert to fraction form
    250,404.46/345,567 = 137,227.22/x
  3. Step 3: Cross multiply
    250,404.46x = 345,567 × 137,227.22
  4. Step 4: Simplify right side
    250,404.46x = 47,421,198,733.74
  5. Step 5: Solve for x
    x = 47,421,198,733.74/250,404.46
  6. Step 6: Final answer
    x = 189,378.41

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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.