Home / 274,954.12-412,459.70-75,274.49

Finding the Fourth Proportional to 274,954.12, 412,459.70 and 75,274.49

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Solution

The fourth proportional to 274,954.12, 412,459.70 and 75,274.49 is: 112,919.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,954.12 : 412,459.70 = 75,274.49 : x
  2. Step 2: Convert to fraction form
    274,954.12/412,459.70 = 75,274.49/x
  3. Step 3: Cross multiply
    274,954.12x = 412,459.70 × 75,274.49
  4. Step 4: Simplify right side
    274,954.12x = 31,047,693,057.79
  5. Step 5: Solve for x
    x = 31,047,693,057.79/274,954.12
  6. Step 6: Final answer
    x = 112,919.54

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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.