Home / 307,734.62-424,898.74-198,903.36

Finding the Fourth Proportional to 307,734.62, 424,898.74 and 198,903.36

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Solution

The fourth proportional to 307,734.62, 424,898.74 and 198,903.36 is: 274,632.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,734.62 : 424,898.74 = 198,903.36 : x
  2. Step 2: Convert to fraction form
    307,734.62/424,898.74 = 198,903.36/x
  3. Step 3: Cross multiply
    307,734.62x = 424,898.74 × 198,903.36
  4. Step 4: Simplify right side
    307,734.62x = 84,513,787,045.77
  5. Step 5: Solve for x
    x = 84,513,787,045.77/307,734.62
  6. Step 6: Final answer
    x = 274,632.04

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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.