Home / 371,945.28-513,284.82-202,179.40

Finding the Fourth Proportional to 371,945.28, 513,284.82 and 202,179.40

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Solution

The fourth proportional to 371,945.28, 513,284.82 and 202,179.40 is: 279,007.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,945.28 : 513,284.82 = 202,179.40 : x
  2. Step 2: Convert to fraction form
    371,945.28/513,284.82 = 202,179.40/x
  3. Step 3: Cross multiply
    371,945.28x = 513,284.82 × 202,179.40
  4. Step 4: Simplify right side
    371,945.28x = 103,775,616,936.71
  5. Step 5: Solve for x
    x = 103,775,616,936.71/371,945.28
  6. Step 6: Final answer
    x = 279,007.75

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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.