Home / 320,009.13-480,243.33-186,930.18

Finding the Fourth Proportional to 320,009.13, 480,243.33 and 186,930.18

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Solution

The fourth proportional to 320,009.13, 480,243.33 and 186,930.18 is: 280,529.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,009.13 : 480,243.33 = 186,930.18 : x
  2. Step 2: Convert to fraction form
    320,009.13/480,243.33 = 186,930.18/x
  3. Step 3: Cross multiply
    320,009.13x = 480,243.33 × 186,930.18
  4. Step 4: Simplify right side
    320,009.13x = 89,771,972,120.70
  5. Step 5: Solve for x
    x = 89,771,972,120.70/320,009.13
  6. Step 6: Final answer
    x = 280,529.41

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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.