Home / 359,278.89-495,788.19-206,209.36

Finding the Fourth Proportional to 359,278.89, 495,788.19 and 206,209.36

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Solution

The fourth proportional to 359,278.89, 495,788.19 and 206,209.36 is: 284,559.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,278.89 : 495,788.19 = 206,209.36 : x
  2. Step 2: Convert to fraction form
    359,278.89/495,788.19 = 206,209.36/x
  3. Step 3: Cross multiply
    359,278.89x = 495,788.19 × 206,209.36
  4. Step 4: Simplify right side
    359,278.89x = 102,236,166,361.84
  5. Step 5: Solve for x
    x = 102,236,166,361.84/359,278.89
  6. Step 6: Final answer
    x = 284,559.35

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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.