Home / 320,849.10-481,746.73-178,971.57

Finding the Fourth Proportional to 320,849.10, 481,746.73 and 178,971.57

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Solution

The fourth proportional to 320,849.10, 481,746.73 and 178,971.57 is: 268,721.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,849.10 : 481,746.73 = 178,971.57 : x
  2. Step 2: Convert to fraction form
    320,849.10/481,746.73 = 178,971.57/x
  3. Step 3: Cross multiply
    320,849.10x = 481,746.73 × 178,971.57
  4. Step 4: Simplify right side
    320,849.10x = 86,218,965,754.30
  5. Step 5: Solve for x
    x = 86,218,965,754.30/320,849.10
  6. Step 6: Final answer
    x = 268,721.24

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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.