Home / 272,749.89-409,190.85-92,833.50

Finding the Fourth Proportional to 272,749.89, 409,190.85 and 92,833.50

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Solution

The fourth proportional to 272,749.89, 409,190.85 and 92,833.50 is: 139,272.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,749.89 : 409,190.85 = 92,833.50 : x
  2. Step 2: Convert to fraction form
    272,749.89/409,190.85 = 92,833.50/x
  3. Step 3: Cross multiply
    272,749.89x = 409,190.85 × 92,833.50
  4. Step 4: Simplify right side
    272,749.89x = 37,986,618,773.48
  5. Step 5: Solve for x
    x = 37,986,618,773.48/272,749.89
  6. Step 6: Final answer
    x = 139,272.72

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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.