Home / 376,610.15-519,720.35-204,526.78

Finding the Fourth Proportional to 376,610.15, 519,720.35 and 204,526.78

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Solution

The fourth proportional to 376,610.15, 519,720.35 and 204,526.78 is: 282,246.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,610.15 : 519,720.35 = 204,526.78 : x
  2. Step 2: Convert to fraction form
    376,610.15/519,720.35 = 204,526.78/x
  3. Step 3: Cross multiply
    376,610.15x = 519,720.35 × 204,526.78
  4. Step 4: Simplify right side
    376,610.15x = 106,296,727,364.04
  5. Step 5: Solve for x
    x = 106,296,727,364.04/376,610.15
  6. Step 6: Final answer
    x = 282,246.05

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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.