Home / 275,731.27-380,412.26-180,293.83

Finding the Fourth Proportional to 275,731.27, 380,412.26 and 180,293.83

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Solution

The fourth proportional to 275,731.27, 380,412.26 and 180,293.83 is: 248,742.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,731.27 : 380,412.26 = 180,293.83 : x
  2. Step 2: Convert to fraction form
    275,731.27/380,412.26 = 180,293.83/x
  3. Step 3: Cross multiply
    275,731.27x = 380,412.26 × 180,293.83
  4. Step 4: Simplify right side
    275,731.27x = 68,585,982,432.89
  5. Step 5: Solve for x
    x = 68,585,982,432.89/275,731.27
  6. Step 6: Final answer
    x = 248,742.13

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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.