Home / 320,607.29-481,076.33-140,818.79

Finding the Fourth Proportional to 320,607.29, 481,076.33 and 140,818.79

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Solution

The fourth proportional to 320,607.29, 481,076.33 and 140,818.79 is: 211,300.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,607.29 : 481,076.33 = 140,818.79 : x
  2. Step 2: Convert to fraction form
    320,607.29/481,076.33 = 140,818.79/x
  3. Step 3: Cross multiply
    320,607.29x = 481,076.33 × 140,818.79
  4. Step 4: Simplify right side
    320,607.29x = 67,744,587,186.84
  5. Step 5: Solve for x
    x = 67,744,587,186.84/320,607.29
  6. Step 6: Final answer
    x = 211,300.83

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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.