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Finding the Fourth Proportional to 250,262.79, 345,362.79 and 137,087.43

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Solution

The fourth proportional to 250,262.79, 345,362.79 and 137,087.43 is: 189,180.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,262.79 : 345,362.79 = 137,087.43 : x
  2. Step 2: Convert to fraction form
    250,262.79/345,362.79 = 137,087.43/x
  3. Step 3: Cross multiply
    250,262.79x = 345,362.79 × 137,087.43
  4. Step 4: Simplify right side
    250,262.79x = 47,344,897,298.73
  5. Step 5: Solve for x
    x = 47,344,897,298.73/250,262.79
  6. Step 6: Final answer
    x = 189,180.73

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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.