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Finding the Fourth Proportional to 536,200.20, 803,609.10 and 325,614.60

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Solution

The fourth proportional to 536,200.20, 803,609.10 and 325,614.60 is: 488,002.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,200.20 : 803,609.10 = 325,614.60 : x
  2. Step 2: Convert to fraction form
    536,200.20/803,609.10 = 325,614.60/x
  3. Step 3: Cross multiply
    536,200.20x = 803,609.10 × 325,614.60
  4. Step 4: Simplify right side
    536,200.20x = 261,666,855,652.86
  5. Step 5: Solve for x
    x = 261,666,855,652.86/536,200.20
  6. Step 6: Final answer
    x = 488,002.16

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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.