Home / 371,915.28-513,240.24-202,150.60

Finding the Fourth Proportional to 371,915.28, 513,240.24 and 202,150.60

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Solution

The fourth proportional to 371,915.28, 513,240.24 and 202,150.60 is: 278,966.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,915.28 : 513,240.24 = 202,150.60 : x
  2. Step 2: Convert to fraction form
    371,915.28/513,240.24 = 202,150.60/x
  3. Step 3: Cross multiply
    371,915.28x = 513,240.24 × 202,150.60
  4. Step 4: Simplify right side
    371,915.28x = 103,751,822,460.14
  5. Step 5: Solve for x
    x = 103,751,822,460.14/371,915.28
  6. Step 6: Final answer
    x = 278,966.28

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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.