Home / 323,614.04-485,343.18-98,976.43

Finding the Fourth Proportional to 323,614.04, 485,343.18 and 98,976.43

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Solution

The fourth proportional to 323,614.04, 485,343.18 and 98,976.43 is: 148,440.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,614.04 : 485,343.18 = 98,976.43 : x
  2. Step 2: Convert to fraction form
    323,614.04/485,343.18 = 98,976.43/x
  3. Step 3: Cross multiply
    323,614.04x = 485,343.18 × 98,976.43
  4. Step 4: Simplify right side
    323,614.04x = 48,037,535,281.25
  5. Step 5: Solve for x
    x = 48,037,535,281.25/323,614.04
  6. Step 6: Final answer
    x = 148,440.83

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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.