Home / 543,519.40-815,025.98-201,724.79

Finding the Fourth Proportional to 543,519.40, 815,025.98 and 201,724.79

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Solution

The fourth proportional to 543,519.40, 815,025.98 and 201,724.79 is: 302,493.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,519.40 : 815,025.98 = 201,724.79 : x
  2. Step 2: Convert to fraction form
    543,519.40/815,025.98 = 201,724.79/x
  3. Step 3: Cross multiply
    543,519.40x = 815,025.98 × 201,724.79
  4. Step 4: Simplify right side
    543,519.40x = 164,410,944,660.04
  5. Step 5: Solve for x
    x = 164,410,944,660.04/543,519.40
  6. Step 6: Final answer
    x = 302,493.24

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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.