Home / 371,845.71-513,151.07-202,079.84

Finding the Fourth Proportional to 371,845.71, 513,151.07 and 202,079.84

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Solution

The fourth proportional to 371,845.71, 513,151.07 and 202,079.84 is: 278,872.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,845.71 : 513,151.07 = 202,079.84 : x
  2. Step 2: Convert to fraction form
    371,845.71/513,151.07 = 202,079.84/x
  3. Step 3: Cross multiply
    371,845.71x = 513,151.07 × 202,079.84
  4. Step 4: Simplify right side
    371,845.71x = 103,697,482,545.27
  5. Step 5: Solve for x
    x = 103,697,482,545.27/371,845.71
  6. Step 6: Final answer
    x = 278,872.34

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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.