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Finding the Fourth Proportional to 323,539.55, 485,310.52 and 98,899.11

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Solution

The fourth proportional to 323,539.55, 485,310.52 and 98,899.11 is: 148,349.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,539.55 : 485,310.52 = 98,899.11 : x
  2. Step 2: Convert to fraction form
    323,539.55/485,310.52 = 98,899.11/x
  3. Step 3: Cross multiply
    323,539.55x = 485,310.52 × 98,899.11
  4. Step 4: Simplify right side
    323,539.55x = 47,996,778,254.39
  5. Step 5: Solve for x
    x = 47,996,778,254.39/323,539.55
  6. Step 6: Final answer
    x = 148,349.03

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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.