Home / 371,935.24-558,140.46-135,255.40

Finding the Fourth Proportional to 371,935.24, 558,140.46 and 135,255.40

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Solution

The fourth proportional to 371,935.24, 558,140.46 and 135,255.40 is: 202,969.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,935.24 : 558,140.46 = 135,255.40 : x
  2. Step 2: Convert to fraction form
    371,935.24/558,140.46 = 135,255.40/x
  3. Step 3: Cross multiply
    371,935.24x = 558,140.46 × 135,255.40
  4. Step 4: Simplify right side
    371,935.24x = 75,491,511,173.48
  5. Step 5: Solve for x
    x = 75,491,511,173.48/371,935.24
  6. Step 6: Final answer
    x = 202,969.50

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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.