Home / 371,882.45-513,195.37-202,116.58

Finding the Fourth Proportional to 371,882.45, 513,195.37 and 202,116.58

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Solution

The fourth proportional to 371,882.45, 513,195.37 and 202,116.58 is: 278,919.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,882.45 : 513,195.37 = 202,116.58 : x
  2. Step 2: Convert to fraction form
    371,882.45/513,195.37 = 202,116.58/x
  3. Step 3: Cross multiply
    371,882.45x = 513,195.37 × 202,116.58
  4. Step 4: Simplify right side
    371,882.45x = 103,725,291,267.96
  5. Step 5: Solve for x
    x = 103,725,291,267.96/371,882.45
  6. Step 6: Final answer
    x = 278,919.56

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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.