Home / 272,865.83-409,360.10-83,310.33

Finding the Fourth Proportional to 272,865.83, 409,360.10 and 83,310.33

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Solution

The fourth proportional to 272,865.83, 409,360.10 and 83,310.33 is: 124,984.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,865.83 : 409,360.10 = 83,310.33 : x
  2. Step 2: Convert to fraction form
    272,865.83/409,360.10 = 83,310.33/x
  3. Step 3: Cross multiply
    272,865.83x = 409,360.10 × 83,310.33
  4. Step 4: Simplify right side
    272,865.83x = 34,103,926,138.38
  5. Step 5: Solve for x
    x = 34,103,926,138.38/272,865.83
  6. Step 6: Final answer
    x = 124,984.23

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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.