Home / 409,418.62-614,473-172,931.02

Finding the Fourth Proportional to 409,418.62, 614,473 and 172,931.02

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Solution

The fourth proportional to 409,418.62, 614,473 and 172,931.02 is: 259,542.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,418.62 : 614,473 = 172,931.02 : x
  2. Step 2: Convert to fraction form
    409,418.62/614,473 = 172,931.02/x
  3. Step 3: Cross multiply
    409,418.62x = 614,473 × 172,931.02
  4. Step 4: Simplify right side
    409,418.62x = 106,261,442,652.46
  5. Step 5: Solve for x
    x = 106,261,442,652.46/409,418.62
  6. Step 6: Final answer
    x = 259,542.28

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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.