Home / 474,823.38-655,252.20-257,031

Finding the Fourth Proportional to 474,823.38, 655,252.20 and 257,031

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Solution

The fourth proportional to 474,823.38, 655,252.20 and 257,031 is: 354,700.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,823.38 : 655,252.20 = 257,031 : x
  2. Step 2: Convert to fraction form
    474,823.38/655,252.20 = 257,031/x
  3. Step 3: Cross multiply
    474,823.38x = 655,252.20 × 257,031
  4. Step 4: Simplify right side
    474,823.38x = 168,420,128,218.20
  5. Step 5: Solve for x
    x = 168,420,128,218.20/474,823.38
  6. Step 6: Final answer
    x = 354,700.58

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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.