Home / 307,734.12-424,898.04-198,902.85

Finding the Fourth Proportional to 307,734.12, 424,898.04 and 198,902.85

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Solution

The fourth proportional to 307,734.12, 424,898.04 and 198,902.85 is: 274,631.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,734.12 : 424,898.04 = 198,902.85 : x
  2. Step 2: Convert to fraction form
    307,734.12/424,898.04 = 198,902.85/x
  3. Step 3: Cross multiply
    307,734.12x = 424,898.04 × 198,902.85
  4. Step 4: Simplify right side
    307,734.12x = 84,513,431,115.41
  5. Step 5: Solve for x
    x = 84,513,431,115.41/307,734.12
  6. Step 6: Final answer
    x = 274,631.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.