Home / 400,204.35-552,422.75-247,359.78

Finding the Fourth Proportional to 400,204.35, 552,422.75 and 247,359.78

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Solution

The fourth proportional to 400,204.35, 552,422.75 and 247,359.78 is: 341,443.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,204.35 : 552,422.75 = 247,359.78 : x
  2. Step 2: Convert to fraction form
    400,204.35/552,422.75 = 247,359.78/x
  3. Step 3: Cross multiply
    400,204.35x = 552,422.75 × 247,359.78
  4. Step 4: Simplify right side
    400,204.35x = 136,647,168,670.20
  5. Step 5: Solve for x
    x = 136,647,168,670.20/400,204.35
  6. Step 6: Final answer
    x = 341,443.49

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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.