Home / 215,623.10-323,434.65-194,627.90

Finding the Fourth Proportional to 215,623.10, 323,434.65 and 194,627.90

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Solution

The fourth proportional to 215,623.10, 323,434.65 and 194,627.90 is: 291,941.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,623.10 : 323,434.65 = 194,627.90 : x
  2. Step 2: Convert to fraction form
    215,623.10/323,434.65 = 194,627.90/x
  3. Step 3: Cross multiply
    215,623.10x = 323,434.65 × 194,627.90
  4. Step 4: Simplify right side
    215,623.10x = 62,949,406,716.74
  5. Step 5: Solve for x
    x = 62,949,406,716.74/215,623.10
  6. Step 6: Final answer
    x = 291,941.85

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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.