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Finding the Fourth Proportional to 376,268.48, 519,250.08 and 206,503.04

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Solution

The fourth proportional to 376,268.48, 519,250.08 and 206,503.04 is: 284,973.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,268.48 : 519,250.08 = 206,503.04 : x
  2. Step 2: Convert to fraction form
    376,268.48/519,250.08 = 206,503.04/x
  3. Step 3: Cross multiply
    376,268.48x = 519,250.08 × 206,503.04
  4. Step 4: Simplify right side
    376,268.48x = 107,226,720,040.24
  5. Step 5: Solve for x
    x = 107,226,720,040.24/376,268.48
  6. Step 6: Final answer
    x = 284,973.96

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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.