Home / 247,731.80-371,597.70-178,266.20

Finding the Fourth Proportional to 247,731.80, 371,597.70 and 178,266.20

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Solution

The fourth proportional to 247,731.80, 371,597.70 and 178,266.20 is: 267,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,731.80 : 371,597.70 = 178,266.20 : x
  2. Step 2: Convert to fraction form
    247,731.80/371,597.70 = 178,266.20/x
  3. Step 3: Cross multiply
    247,731.80x = 371,597.70 × 178,266.20
  4. Step 4: Simplify right side
    247,731.80x = 66,243,309,907.74
  5. Step 5: Solve for x
    x = 66,243,309,907.74/247,731.80
  6. Step 6: Final answer
    x = 267,399.30

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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.