Home / 204,028.80-306,043.20-154,262.40

Finding the Fourth Proportional to 204,028.80, 306,043.20 and 154,262.40

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Solution

The fourth proportional to 204,028.80, 306,043.20 and 154,262.40 is: 231,393.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,028.80 : 306,043.20 = 154,262.40 : x
  2. Step 2: Convert to fraction form
    204,028.80/306,043.20 = 154,262.40/x
  3. Step 3: Cross multiply
    204,028.80x = 306,043.20 × 154,262.40
  4. Step 4: Simplify right side
    204,028.80x = 47,210,958,535.68
  5. Step 5: Solve for x
    x = 47,210,958,535.68/204,028.80
  6. Step 6: Final answer
    x = 231,393.60

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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.