Home / 443,239.11-611,579.30-261,860.13

Finding the Fourth Proportional to 443,239.11, 611,579.30 and 261,860.13

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Solution

The fourth proportional to 443,239.11, 611,579.30 and 261,860.13 is: 361,313.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,239.11 : 611,579.30 = 261,860.13 : x
  2. Step 2: Convert to fraction form
    443,239.11/611,579.30 = 261,860.13/x
  3. Step 3: Cross multiply
    443,239.11x = 611,579.30 × 261,860.13
  4. Step 4: Simplify right side
    443,239.11x = 160,148,233,694.01
  5. Step 5: Solve for x
    x = 160,148,233,694.01/443,239.11
  6. Step 6: Final answer
    x = 361,313.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.