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Finding the Fourth Proportional to 194,493.80, 291,279.90 and 194,493.80

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Solution

The fourth proportional to 194,493.80, 291,279.90 and 194,493.80 is: 291,279.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,493.80 : 291,279.90 = 194,493.80 : x
  2. Step 2: Convert to fraction form
    194,493.80/291,279.90 = 194,493.80/x
  3. Step 3: Cross multiply
    194,493.80x = 291,279.90 × 194,493.80
  4. Step 4: Simplify right side
    194,493.80x = 56,652,134,614.62
  5. Step 5: Solve for x
    x = 56,652,134,614.62/194,493.80
  6. Step 6: Final answer
    x = 291,279.90

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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.