Home / 267,869.08-401,792.10-80,875

Finding the Fourth Proportional to 267,869.08, 401,792.10 and 80,875

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Solution

The fourth proportional to 267,869.08, 401,792.10 and 80,875 is: 121,309.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,869.08 : 401,792.10 = 80,875 : x
  2. Step 2: Convert to fraction form
    267,869.08/401,792.10 = 80,875/x
  3. Step 3: Cross multiply
    267,869.08x = 401,792.10 × 80,875
  4. Step 4: Simplify right side
    267,869.08x = 32,494,936,087.50
  5. Step 5: Solve for x
    x = 32,494,936,087.50/267,869.08
  6. Step 6: Final answer
    x = 121,309.02

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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.