Home / 320,975.03-442,940.07-177,732.00

Finding the Fourth Proportional to 320,975.03, 442,940.07 and 177,732.00

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Solution

The fourth proportional to 320,975.03, 442,940.07 and 177,732.00 is: 245,267.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,975.03 : 442,940.07 = 177,732.00 : x
  2. Step 2: Convert to fraction form
    320,975.03/442,940.07 = 177,732.00/x
  3. Step 3: Cross multiply
    320,975.03x = 442,940.07 × 177,732.00
  4. Step 4: Simplify right side
    320,975.03x = 78,724,622,306.54
  5. Step 5: Solve for x
    x = 78,724,622,306.54/320,975.03
  6. Step 6: Final answer
    x = 245,267.12

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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.