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Finding the Fourth Proportional to 495,057.06, 683,180.06 and 268,702.56

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Solution

The fourth proportional to 495,057.06, 683,180.06 and 268,702.56 is: 370,810.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,057.06 : 683,180.06 = 268,702.56 : x
  2. Step 2: Convert to fraction form
    495,057.06/683,180.06 = 268,702.56/x
  3. Step 3: Cross multiply
    495,057.06x = 683,180.06 × 268,702.56
  4. Step 4: Simplify right side
    495,057.06x = 183,572,231,062.95
  5. Step 5: Solve for x
    x = 183,572,231,062.95/495,057.06
  6. Step 6: Final answer
    x = 370,810.25

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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.