Home / 422,627.05-633,979.66-152,822.53

Finding the Fourth Proportional to 422,627.05, 633,979.66 and 152,822.53

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Solution

The fourth proportional to 422,627.05, 633,979.66 and 152,822.53 is: 229,247.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,627.05 : 633,979.66 = 152,822.53 : x
  2. Step 2: Convert to fraction form
    422,627.05/633,979.66 = 152,822.53/x
  3. Step 3: Cross multiply
    422,627.05x = 633,979.66 × 152,822.53
  4. Step 4: Simplify right side
    422,627.05x = 96,886,376,306.70
  5. Step 5: Solve for x
    x = 96,886,376,306.70/422,627.05
  6. Step 6: Final answer
    x = 229,247.93

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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.