Home / 502,519.40-753,548.70-221,892.20

Finding the Fourth Proportional to 502,519.40, 753,548.70 and 221,892.20

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Solution

The fourth proportional to 502,519.40, 753,548.70 and 221,892.20 is: 332,736.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,519.40 : 753,548.70 = 221,892.20 : x
  2. Step 2: Convert to fraction form
    502,519.40/753,548.70 = 221,892.20/x
  3. Step 3: Cross multiply
    502,519.40x = 753,548.70 × 221,892.20
  4. Step 4: Simplify right side
    502,519.40x = 167,206,578,850.14
  5. Step 5: Solve for x
    x = 167,206,578,850.14/502,519.40
  6. Step 6: Final answer
    x = 332,736.56

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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.