Home / 376,199.28-519,134.40-206,420.04

Finding the Fourth Proportional to 376,199.28, 519,134.40 and 206,420.04

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Solution

The fourth proportional to 376,199.28, 519,134.40 and 206,420.04 is: 284,848.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,199.28 : 519,134.40 = 206,420.04 : x
  2. Step 2: Convert to fraction form
    376,199.28/519,134.40 = 206,420.04/x
  3. Step 3: Cross multiply
    376,199.28x = 519,134.40 × 206,420.04
  4. Step 4: Simplify right side
    376,199.28x = 107,159,743,613.38
  5. Step 5: Solve for x
    x = 107,159,743,613.38/376,199.28
  6. Step 6: Final answer
    x = 284,848.35

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1.5x scale

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.