Home / 386,544.12-532,937.10-250,337.40

Finding the Fourth Proportional to 386,544.12, 532,937.10 and 250,337.40

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Solution

The fourth proportional to 386,544.12, 532,937.10 and 250,337.40 is: 345,145.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,544.12 : 532,937.10 = 250,337.40 : x
  2. Step 2: Convert to fraction form
    386,544.12/532,937.10 = 250,337.40/x
  3. Step 3: Cross multiply
    386,544.12x = 532,937.10 × 250,337.40
  4. Step 4: Simplify right side
    386,544.12x = 133,414,087,977.54
  5. Step 5: Solve for x
    x = 133,414,087,977.54/386,544.12
  6. Step 6: Final answer
    x = 345,145.82

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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.