Home / 495,272.35-683,478.56-268,917.85

Finding the Fourth Proportional to 495,272.35, 683,478.56 and 268,917.85

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Solution

The fourth proportional to 495,272.35, 683,478.56 and 268,917.85 is: 371,108.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,272.35 : 683,478.56 = 268,917.85 : x
  2. Step 2: Convert to fraction form
    495,272.35/683,478.56 = 268,917.85/x
  3. Step 3: Cross multiply
    495,272.35x = 683,478.56 × 268,917.85
  4. Step 4: Simplify right side
    495,272.35x = 183,799,583,839.89
  5. Step 5: Solve for x
    x = 183,799,583,839.89/495,272.35
  6. Step 6: Final answer
    x = 371,108.11

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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.