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Finding the Fourth Proportional to 495,234.30, 683,412.72 and 268,879.80

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Solution

The fourth proportional to 495,234.30, 683,412.72 and 268,879.80 is: 371,048.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,234.30 : 683,412.72 = 268,879.80 : x
  2. Step 2: Convert to fraction form
    495,234.30/683,412.72 = 268,879.80/x
  3. Step 3: Cross multiply
    495,234.30x = 683,412.72 × 268,879.80
  4. Step 4: Simplify right side
    495,234.30x = 183,755,875,471.06
  5. Step 5: Solve for x
    x = 183,755,875,471.06/495,234.30
  6. Step 6: Final answer
    x = 371,048.36

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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.