Home / 218,840.10-328,260.15-113,864.10

Finding the Fourth Proportional to 218,840.10, 328,260.15 and 113,864.10

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Solution

The fourth proportional to 218,840.10, 328,260.15 and 113,864.10 is: 170,796.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,840.10 : 328,260.15 = 113,864.10 : x
  2. Step 2: Convert to fraction form
    218,840.10/328,260.15 = 113,864.10/x
  3. Step 3: Cross multiply
    218,840.10x = 328,260.15 × 113,864.10
  4. Step 4: Simplify right side
    218,840.10x = 37,377,046,545.62
  5. Step 5: Solve for x
    x = 37,377,046,545.62/218,840.10
  6. Step 6: Final answer
    x = 170,796.15

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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.