Home / 362,780.33-500,445.61-215,521.11

Finding the Fourth Proportional to 362,780.33, 500,445.61 and 215,521.11

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Solution

The fourth proportional to 362,780.33, 500,445.61 and 215,521.11 is: 297,305.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,780.33 : 500,445.61 = 215,521.11 : x
  2. Step 2: Convert to fraction form
    362,780.33/500,445.61 = 215,521.11/x
  3. Step 3: Cross multiply
    362,780.33x = 500,445.61 × 215,521.11
  4. Step 4: Simplify right side
    362,780.33x = 107,856,592,823.02
  5. Step 5: Solve for x
    x = 107,856,592,823.02/362,780.33
  6. Step 6: Final answer
    x = 297,305.52

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1.5x scale

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.