Home / 331,316.38-457,204.08-202,470.30

Finding the Fourth Proportional to 331,316.38, 457,204.08 and 202,470.30

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Solution

The fourth proportional to 331,316.38, 457,204.08 and 202,470.30 is: 279,401.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,316.38 : 457,204.08 = 202,470.30 : x
  2. Step 2: Convert to fraction form
    331,316.38/457,204.08 = 202,470.30/x
  3. Step 3: Cross multiply
    331,316.38x = 457,204.08 × 202,470.30
  4. Step 4: Simplify right side
    331,316.38x = 92,570,245,784.53
  5. Step 5: Solve for x
    x = 92,570,245,784.53/331,316.38
  6. Step 6: Final answer
    x = 279,401.36

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1.5x scale

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.