Home / 371,825.12-513,121.86-202,059.24

Finding the Fourth Proportional to 371,825.12, 513,121.86 and 202,059.24

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Solution

The fourth proportional to 371,825.12, 513,121.86 and 202,059.24 is: 278,843.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,825.12 : 513,121.86 = 202,059.24 : x
  2. Step 2: Convert to fraction form
    371,825.12/513,121.86 = 202,059.24/x
  3. Step 3: Cross multiply
    371,825.12x = 513,121.86 × 202,059.24
  4. Step 4: Simplify right side
    371,825.12x = 103,681,013,058.99
  5. Step 5: Solve for x
    x = 103,681,013,058.99/371,825.12
  6. Step 6: Final answer
    x = 278,843.49

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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.