Home / 321,043.02-443,039.18-177,802.92

Finding the Fourth Proportional to 321,043.02, 443,039.18 and 177,802.92

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Solution

The fourth proportional to 321,043.02, 443,039.18 and 177,802.92 is: 245,367.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,043.02 : 443,039.18 = 177,802.92 : x
  2. Step 2: Convert to fraction form
    321,043.02/443,039.18 = 177,802.92/x
  3. Step 3: Cross multiply
    321,043.02x = 443,039.18 × 177,802.92
  4. Step 4: Simplify right side
    321,043.02x = 78,773,658,989.39
  5. Step 5: Solve for x
    x = 78,773,658,989.39/321,043.02
  6. Step 6: Final answer
    x = 245,367.92

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1.5x scale

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.