Home / 254,786.20-382,616.70-166,431.40

Finding the Fourth Proportional to 254,786.20, 382,616.70 and 166,431.40

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Solution

The fourth proportional to 254,786.20, 382,616.70 and 166,431.40 is: 249,932.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,786.20 : 382,616.70 = 166,431.40 : x
  2. Step 2: Convert to fraction form
    254,786.20/382,616.70 = 166,431.40/x
  3. Step 3: Cross multiply
    254,786.20x = 382,616.70 × 166,431.40
  4. Step 4: Simplify right side
    254,786.20x = 63,679,433,044.38
  5. Step 5: Solve for x
    x = 63,679,433,044.38/254,786.20
  6. Step 6: Final answer
    x = 249,932.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.