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Finding the Fourth Proportional to 574,299.40, 861,449.10 and 200,322.40

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Solution

The fourth proportional to 574,299.40, 861,449.10 and 200,322.40 is: 300,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,299.40 : 861,449.10 = 200,322.40 : x
  2. Step 2: Convert to fraction form
    574,299.40/861,449.10 = 200,322.40/x
  3. Step 3: Cross multiply
    574,299.40x = 861,449.10 × 200,322.40
  4. Step 4: Simplify right side
    574,299.40x = 172,567,551,189.84
  5. Step 5: Solve for x
    x = 172,567,551,189.84/574,299.40
  6. Step 6: Final answer
    x = 300,483.60

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Similar ratio
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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.