Home / 376,387.12-519,415.43-204,305.23

Finding the Fourth Proportional to 376,387.12, 519,415.43 and 204,305.23

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Solution

The fourth proportional to 376,387.12, 519,415.43 and 204,305.23 is: 281,941.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,387.12 : 519,415.43 = 204,305.23 : x
  2. Step 2: Convert to fraction form
    376,387.12/519,415.43 = 204,305.23/x
  3. Step 3: Cross multiply
    376,387.12x = 519,415.43 × 204,305.23
  4. Step 4: Simplify right side
    376,387.12x = 106,119,287,870.17
  5. Step 5: Solve for x
    x = 106,119,287,870.17/376,387.12
  6. Step 6: Final answer
    x = 281,941.87

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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.