Home / 320,851.29-481,750.05-178,973.76

Finding the Fourth Proportional to 320,851.29, 481,750.05 and 178,973.76

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Solution

The fourth proportional to 320,851.29, 481,750.05 and 178,973.76 is: 268,724.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,851.29 : 481,750.05 = 178,973.76 : x
  2. Step 2: Convert to fraction form
    320,851.29/481,750.05 = 178,973.76/x
  3. Step 3: Cross multiply
    320,851.29x = 481,750.05 × 178,973.76
  4. Step 4: Simplify right side
    320,851.29x = 86,220,620,306.40
  5. Step 5: Solve for x
    x = 86,220,620,306.40/320,851.29
  6. Step 6: Final answer
    x = 268,724.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.