Home / 217,869.30-325,929.15-188,612.10

Finding the Fourth Proportional to 217,869.30, 325,929.15 and 188,612.10

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Solution

The fourth proportional to 217,869.30, 325,929.15 and 188,612.10 is: 282,160.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,869.30 : 325,929.15 = 188,612.10 : x
  2. Step 2: Convert to fraction form
    217,869.30/325,929.15 = 188,612.10/x
  3. Step 3: Cross multiply
    217,869.30x = 325,929.15 × 188,612.10
  4. Step 4: Simplify right side
    217,869.30x = 61,474,181,432.72
  5. Step 5: Solve for x
    x = 61,474,181,432.72/217,869.30
  6. Step 6: Final answer
    x = 282,160.83

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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.