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Finding the Fourth Proportional to 263,280.30, 394,920.45 and 246,672.78

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Solution

The fourth proportional to 263,280.30, 394,920.45 and 246,672.78 is: 370,009.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,280.30 : 394,920.45 = 246,672.78 : x
  2. Step 2: Convert to fraction form
    263,280.30/394,920.45 = 246,672.78/x
  3. Step 3: Cross multiply
    263,280.30x = 394,920.45 × 246,672.78
  4. Step 4: Simplify right side
    263,280.30x = 97,416,125,280.35
  5. Step 5: Solve for x
    x = 97,416,125,280.35/263,280.30
  6. Step 6: Final answer
    x = 370,009.17

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1.5x scale

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.