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Finding the Fourth Proportional to 366,687.68, 550,189.53 and 198,326.55

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Solution

The fourth proportional to 366,687.68, 550,189.53 and 198,326.55 is: 297,575.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,687.68 : 550,189.53 = 198,326.55 : x
  2. Step 2: Convert to fraction form
    366,687.68/550,189.53 = 198,326.55/x
  3. Step 3: Cross multiply
    366,687.68x = 550,189.53 × 198,326.55
  4. Step 4: Simplify right side
    366,687.68x = 109,117,191,331.02
  5. Step 5: Solve for x
    x = 109,117,191,331.02/366,687.68
  6. Step 6: Final answer
    x = 297,575.28

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1.5x scale

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.