Home / 400,822.56-553,127.76-231,063.84

Finding the Fourth Proportional to 400,822.56, 553,127.76 and 231,063.84

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Solution

The fourth proportional to 400,822.56, 553,127.76 and 231,063.84 is: 318,863.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,822.56 : 553,127.76 = 231,063.84 : x
  2. Step 2: Convert to fraction form
    400,822.56/553,127.76 = 231,063.84/x
  3. Step 3: Cross multiply
    400,822.56x = 553,127.76 × 231,063.84
  4. Step 4: Simplify right side
    400,822.56x = 127,807,824,236.20
  5. Step 5: Solve for x
    x = 127,807,824,236.20/400,822.56
  6. Step 6: Final answer
    x = 318,863.85

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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.