Home / 321,178.02-443,208.22-177,929.52

Finding the Fourth Proportional to 321,178.02, 443,208.22 and 177,929.52

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Solution

The fourth proportional to 321,178.02, 443,208.22 and 177,929.52 is: 245,533.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,178.02 : 443,208.22 = 177,929.52 : x
  2. Step 2: Convert to fraction form
    321,178.02/443,208.22 = 177,929.52/x
  3. Step 3: Cross multiply
    321,178.02x = 443,208.22 × 177,929.52
  4. Step 4: Simplify right side
    321,178.02x = 78,859,825,844.65
  5. Step 5: Solve for x
    x = 78,859,825,844.65/321,178.02
  6. Step 6: Final answer
    x = 245,533.07

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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.