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Finding the Fourth Proportional to 495,068.97, 683,176.89 and 268,709.61

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Solution

The fourth proportional to 495,068.97, 683,176.89 and 268,709.61 is: 370,809.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,068.97 : 683,176.89 = 268,709.61 : x
  2. Step 2: Convert to fraction form
    495,068.97/683,176.89 = 268,709.61/x
  3. Step 3: Cross multiply
    495,068.97x = 683,176.89 × 268,709.61
  4. Step 4: Simplify right side
    495,068.97x = 183,576,195,672.91
  5. Step 5: Solve for x
    x = 183,576,195,672.91/495,068.97
  6. Step 6: Final answer
    x = 370,809.34

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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.