Home / 371,935.74-558,141.21-135,255.90

Finding the Fourth Proportional to 371,935.74, 558,141.21 and 135,255.90

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Solution

The fourth proportional to 371,935.74, 558,141.21 and 135,255.90 is: 202,970.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,935.74 : 558,141.21 = 135,255.90 : x
  2. Step 2: Convert to fraction form
    371,935.74/558,141.21 = 135,255.90/x
  3. Step 3: Cross multiply
    371,935.74x = 558,141.21 × 135,255.90
  4. Step 4: Simplify right side
    371,935.74x = 75,491,891,685.64
  5. Step 5: Solve for x
    x = 75,491,891,685.64/371,935.74
  6. Step 6: Final answer
    x = 202,970.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.