Home / 283,229.40-390,824.50-166,935.28

Finding the Fourth Proportional to 283,229.40, 390,824.50 and 166,935.28

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Solution

The fourth proportional to 283,229.40, 390,824.50 and 166,935.28 is: 230,351.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,229.40 : 390,824.50 = 166,935.28 : x
  2. Step 2: Convert to fraction form
    283,229.40/390,824.50 = 166,935.28/x
  3. Step 3: Cross multiply
    283,229.40x = 390,824.50 × 166,935.28
  4. Step 4: Simplify right side
    283,229.40x = 65,242,397,338.36
  5. Step 5: Solve for x
    x = 65,242,397,338.36/283,229.40
  6. Step 6: Final answer
    x = 230,351.78

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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.