Home / 343,872.43-474,534.71-206,129.16

Finding the Fourth Proportional to 343,872.43, 474,534.71 and 206,129.16

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Solution

The fourth proportional to 343,872.43, 474,534.71 and 206,129.16 is: 284,452.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,872.43 : 474,534.71 = 206,129.16 : x
  2. Step 2: Convert to fraction form
    343,872.43/474,534.71 = 206,129.16/x
  3. Step 3: Cross multiply
    343,872.43x = 474,534.71 × 206,129.16
  4. Step 4: Simplify right side
    343,872.43x = 97,815,440,132.50
  5. Step 5: Solve for x
    x = 97,815,440,132.50/343,872.43
  6. Step 6: Final answer
    x = 284,452.70

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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.