Home / 269,155.20-403,732.80-263,625.60

Finding the Fourth Proportional to 269,155.20, 403,732.80 and 263,625.60

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Solution

The fourth proportional to 269,155.20, 403,732.80 and 263,625.60 is: 395,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,155.20 : 403,732.80 = 263,625.60 : x
  2. Step 2: Convert to fraction form
    269,155.20/403,732.80 = 263,625.60/x
  3. Step 3: Cross multiply
    269,155.20x = 403,732.80 × 263,625.60
  4. Step 4: Simplify right side
    269,155.20x = 106,434,301,639.68
  5. Step 5: Solve for x
    x = 106,434,301,639.68/269,155.20
  6. Step 6: Final answer
    x = 395,438.40

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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.