Home / 440,837.40-661,353.30-141,331.80

Finding the Fourth Proportional to 440,837.40, 661,353.30 and 141,331.80

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Solution

The fourth proportional to 440,837.40, 661,353.30 and 141,331.80 is: 212,028.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,837.40 : 661,353.30 = 141,331.80 : x
  2. Step 2: Convert to fraction form
    440,837.40/661,353.30 = 141,331.80/x
  3. Step 3: Cross multiply
    440,837.40x = 661,353.30 × 141,331.80
  4. Step 4: Simplify right side
    440,837.40x = 93,470,252,324.94
  5. Step 5: Solve for x
    x = 93,470,252,324.94/440,837.40
  6. Step 6: Final answer
    x = 212,028.86

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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.