Home / 327,023.40-490,535.10-243,042.60

Finding the Fourth Proportional to 327,023.40, 490,535.10 and 243,042.60

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Solution

The fourth proportional to 327,023.40, 490,535.10 and 243,042.60 is: 364,563.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,023.40 : 490,535.10 = 243,042.60 : x
  2. Step 2: Convert to fraction form
    327,023.40/490,535.10 = 243,042.60/x
  3. Step 3: Cross multiply
    327,023.40x = 490,535.10 × 243,042.60
  4. Step 4: Simplify right side
    327,023.40x = 119,220,926,095.26
  5. Step 5: Solve for x
    x = 119,220,926,095.26/327,023.40
  6. Step 6: Final answer
    x = 364,563.90

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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.