Home / 345,935.85-518,925.65-146,229.95

Finding the Fourth Proportional to 345,935.85, 518,925.65 and 146,229.95

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Solution

The fourth proportional to 345,935.85, 518,925.65 and 146,229.95 is: 219,354.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,935.85 : 518,925.65 = 146,229.95 : x
  2. Step 2: Convert to fraction form
    345,935.85/518,925.65 = 146,229.95/x
  3. Step 3: Cross multiply
    345,935.85x = 518,925.65 × 146,229.95
  4. Step 4: Simplify right side
    345,935.85x = 75,882,471,853.22
  5. Step 5: Solve for x
    x = 75,882,471,853.22/345,935.85
  6. Step 6: Final answer
    x = 219,354.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.