Home / 275,923.93-380,912.81-180,576.26

Finding the Fourth Proportional to 275,923.93, 380,912.81 and 180,576.26

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Solution

The fourth proportional to 275,923.93, 380,912.81 and 180,576.26 is: 249,285.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,923.93 : 380,912.81 = 180,576.26 : x
  2. Step 2: Convert to fraction form
    275,923.93/380,912.81 = 180,576.26/x
  3. Step 3: Cross multiply
    275,923.93x = 380,912.81 × 180,576.26
  4. Step 4: Simplify right side
    275,923.93x = 68,783,810,615.89
  5. Step 5: Solve for x
    x = 68,783,810,615.89/275,923.93
  6. Step 6: Final answer
    x = 249,285.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.