Home / 495,191.12-683,361.84-268,836.56

Finding the Fourth Proportional to 495,191.12, 683,361.84 and 268,836.56

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Solution

The fourth proportional to 495,191.12, 683,361.84 and 268,836.56 is: 370,993.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,191.12 : 683,361.84 = 268,836.56 : x
  2. Step 2: Convert to fraction form
    495,191.12/683,361.84 = 268,836.56/x
  3. Step 3: Cross multiply
    495,191.12x = 683,361.84 × 268,836.56
  4. Step 4: Simplify right side
    495,191.12x = 183,712,646,300.87
  5. Step 5: Solve for x
    x = 183,712,646,300.87/495,191.12
  6. Step 6: Final answer
    x = 370,993.42

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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.