Home / 371,713.38-512,966.43-201,947.82

Finding the Fourth Proportional to 371,713.38, 512,966.43 and 201,947.82

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Solution

The fourth proportional to 371,713.38, 512,966.43 and 201,947.82 is: 278,689.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,713.38 : 512,966.43 = 201,947.82 : x
  2. Step 2: Convert to fraction form
    371,713.38/512,966.43 = 201,947.82/x
  3. Step 3: Cross multiply
    371,713.38x = 512,966.43 × 201,947.82
  4. Step 4: Simplify right side
    371,713.38x = 103,592,452,271.68
  5. Step 5: Solve for x
    x = 103,592,452,271.68/371,713.38
  6. Step 6: Final answer
    x = 278,689.06

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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.