Home / 330,243.13-455,735.48-187,003.14

Finding the Fourth Proportional to 330,243.13, 455,735.48 and 187,003.14

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Solution

The fourth proportional to 330,243.13, 455,735.48 and 187,003.14 is: 258,064.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,243.13 : 455,735.48 = 187,003.14 : x
  2. Step 2: Convert to fraction form
    330,243.13/455,735.48 = 187,003.14/x
  3. Step 3: Cross multiply
    330,243.13x = 455,735.48 × 187,003.14
  4. Step 4: Simplify right side
    330,243.13x = 85,223,965,769.41
  5. Step 5: Solve for x
    x = 85,223,965,769.41/330,243.13
  6. Step 6: Final answer
    x = 258,064.31

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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.