Home / 268,376.40-403,342.20-263,710.80

Finding the Fourth Proportional to 268,376.40, 403,342.20 and 263,710.80

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Solution

The fourth proportional to 268,376.40, 403,342.20 and 263,710.80 is: 396,330.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,376.40 : 403,342.20 = 263,710.80 : x
  2. Step 2: Convert to fraction form
    268,376.40/403,342.20 = 263,710.80/x
  3. Step 3: Cross multiply
    268,376.40x = 403,342.20 × 263,710.80
  4. Step 4: Simplify right side
    268,376.40x = 106,365,694,235.76
  5. Step 5: Solve for x
    x = 106,365,694,235.76/268,376.40
  6. Step 6: Final answer
    x = 396,330.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.