Home / 269,519.20-403,938.60-136,436.20

Finding the Fourth Proportional to 269,519.20, 403,938.60 and 136,436.20

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Solution

The fourth proportional to 269,519.20, 403,938.60 and 136,436.20 is: 204,482.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,519.20 : 403,938.60 = 136,436.20 : x
  2. Step 2: Convert to fraction form
    269,519.20/403,938.60 = 136,436.20/x
  3. Step 3: Cross multiply
    269,519.20x = 403,938.60 × 136,436.20
  4. Step 4: Simplify right side
    269,519.20x = 55,111,847,617.32
  5. Step 5: Solve for x
    x = 55,111,847,617.32/269,519.20
  6. Step 6: Final answer
    x = 204,482.08

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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.