Home / 274,582.46-378,955.60-167,215.34

Finding the Fourth Proportional to 274,582.46, 378,955.60 and 167,215.34

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Solution

The fourth proportional to 274,582.46, 378,955.60 and 167,215.34 is: 230,776.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,582.46 : 378,955.60 = 167,215.34 : x
  2. Step 2: Convert to fraction form
    274,582.46/378,955.60 = 167,215.34/x
  3. Step 3: Cross multiply
    274,582.46x = 378,955.60 × 167,215.34
  4. Step 4: Simplify right side
    274,582.46x = 63,367,189,498.90
  5. Step 5: Solve for x
    x = 63,367,189,498.90/274,582.46
  6. Step 6: Final answer
    x = 230,776.54

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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.