Home / 382,036.28-527,371.68-257,884.34

Finding the Fourth Proportional to 382,036.28, 527,371.68 and 257,884.34

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Solution

The fourth proportional to 382,036.28, 527,371.68 and 257,884.34 is: 355,989.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,036.28 : 527,371.68 = 257,884.34 : x
  2. Step 2: Convert to fraction form
    382,036.28/527,371.68 = 257,884.34/x
  3. Step 3: Cross multiply
    382,036.28x = 527,371.68 × 257,884.34
  4. Step 4: Simplify right side
    382,036.28x = 136,000,897,631.49
  5. Step 5: Solve for x
    x = 136,000,897,631.49/382,036.28
  6. Step 6: Final answer
    x = 355,989.48

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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.