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Finding the Fourth Proportional to 250,552.56, 345,762.36 and 137,377.20

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Solution

The fourth proportional to 250,552.56, 345,762.36 and 137,377.20 is: 189,580.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,552.56 : 345,762.36 = 137,377.20 : x
  2. Step 2: Convert to fraction form
    250,552.56/345,762.36 = 137,377.20/x
  3. Step 3: Cross multiply
    250,552.56x = 345,762.36 × 137,377.20
  4. Step 4: Simplify right side
    250,552.56x = 47,499,864,882.19
  5. Step 5: Solve for x
    x = 47,499,864,882.19/250,552.56
  6. Step 6: Final answer
    x = 189,580.44

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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.