Home / 326,103.24-450,013.08-198,732.36

Finding the Fourth Proportional to 326,103.24, 450,013.08 and 198,732.36

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Solution

The fourth proportional to 326,103.24, 450,013.08 and 198,732.36 is: 274,244.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,103.24 : 450,013.08 = 198,732.36 : x
  2. Step 2: Convert to fraction form
    326,103.24/450,013.08 = 198,732.36/x
  3. Step 3: Cross multiply
    326,103.24x = 450,013.08 × 198,732.36
  4. Step 4: Simplify right side
    326,103.24x = 89,432,161,419.27
  5. Step 5: Solve for x
    x = 89,432,161,419.27/326,103.24
  6. Step 6: Final answer
    x = 274,244.93

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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.