Home / 400,867.66-553,043.38-228,795.17

Finding the Fourth Proportional to 400,867.66, 553,043.38 and 228,795.17

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Solution

The fourth proportional to 400,867.66, 553,043.38 and 228,795.17 is: 315,649.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,867.66 : 553,043.38 = 228,795.17 : x
  2. Step 2: Convert to fraction form
    400,867.66/553,043.38 = 228,795.17/x
  3. Step 3: Cross multiply
    400,867.66x = 553,043.38 × 228,795.17
  4. Step 4: Simplify right side
    400,867.66x = 126,533,654,144.48
  5. Step 5: Solve for x
    x = 126,533,654,144.48/400,867.66
  6. Step 6: Final answer
    x = 315,649.44

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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.