Home / 274,955.90-412,434.05-75,277.94

Finding the Fourth Proportional to 274,955.90, 412,434.05 and 75,277.94

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Solution

The fourth proportional to 274,955.90, 412,434.05 and 75,277.94 is: 112,916.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,955.90 : 412,434.05 = 75,277.94 : x
  2. Step 2: Convert to fraction form
    274,955.90/412,434.05 = 75,277.94/x
  3. Step 3: Cross multiply
    274,955.90x = 412,434.05 × 75,277.94
  4. Step 4: Simplify right side
    274,955.90x = 31,047,183,231.30
  5. Step 5: Solve for x
    x = 31,047,183,231.30/274,955.90
  6. Step 6: Final answer
    x = 112,916.96

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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.