Home / 320,849.60-481,747.48-178,972.07

Finding the Fourth Proportional to 320,849.60, 481,747.48 and 178,972.07

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Solution

The fourth proportional to 320,849.60, 481,747.48 and 178,972.07 is: 268,721.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,849.60 : 481,747.48 = 178,972.07 : x
  2. Step 2: Convert to fraction form
    320,849.60/481,747.48 = 178,972.07/x
  3. Step 3: Cross multiply
    320,849.60x = 481,747.48 × 178,972.07
  4. Step 4: Simplify right side
    320,849.60x = 86,219,341,304.15
  5. Step 5: Solve for x
    x = 86,219,341,304.15/320,849.60
  6. Step 6: Final answer
    x = 268,721.99

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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.