Home / 321,224.45-443,271.17-177,975.95

Finding the Fourth Proportional to 321,224.45, 443,271.17 and 177,975.95

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Solution

The fourth proportional to 321,224.45, 443,271.17 and 177,975.95 is: 245,596.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,224.45 : 443,271.17 = 177,975.95 : x
  2. Step 2: Convert to fraction form
    321,224.45/443,271.17 = 177,975.95/x
  3. Step 3: Cross multiply
    321,224.45x = 443,271.17 × 177,975.95
  4. Step 4: Simplify right side
    321,224.45x = 78,891,604,482.13
  5. Step 5: Solve for x
    x = 78,891,604,482.13/321,224.45
  6. Step 6: Final answer
    x = 245,596.52

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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.