Home / 386,541.12-532,932.96-250,334.40

Finding the Fourth Proportional to 386,541.12, 532,932.96 and 250,334.40

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Solution

The fourth proportional to 386,541.12, 532,932.96 and 250,334.40 is: 345,141.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,541.12 : 532,932.96 = 250,334.40 : x
  2. Step 2: Convert to fraction form
    386,541.12/532,932.96 = 250,334.40/x
  3. Step 3: Cross multiply
    386,541.12x = 532,932.96 × 250,334.40
  4. Step 4: Simplify right side
    386,541.12x = 133,411,452,781.82
  5. Step 5: Solve for x
    x = 133,411,452,781.82/386,541.12
  6. Step 6: Final answer
    x = 345,141.68

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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.