Home / 400,278.58-552,584.33-230,479.90

Finding the Fourth Proportional to 400,278.58, 552,584.33 and 230,479.90

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Solution

The fourth proportional to 400,278.58, 552,584.33 and 230,479.90 is: 318,177.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,278.58 : 552,584.33 = 230,479.90 : x
  2. Step 2: Convert to fraction form
    400,278.58/552,584.33 = 230,479.90/x
  3. Step 3: Cross multiply
    400,278.58x = 552,584.33 × 230,479.90
  4. Step 4: Simplify right side
    400,278.58x = 127,359,579,450.41
  5. Step 5: Solve for x
    x = 127,359,579,450.41/400,278.58
  6. Step 6: Final answer
    x = 318,177.36

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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.