Home / 274,541.05-379,004.24-172,622.58

Finding the Fourth Proportional to 274,541.05, 379,004.24 and 172,622.58

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Solution

The fourth proportional to 274,541.05, 379,004.24 and 172,622.58 is: 238,305.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,541.05 : 379,004.24 = 172,622.58 : x
  2. Step 2: Convert to fraction form
    274,541.05/379,004.24 = 172,622.58/x
  3. Step 3: Cross multiply
    274,541.05x = 379,004.24 × 172,622.58
  4. Step 4: Simplify right side
    274,541.05x = 65,424,689,739.74
  5. Step 5: Solve for x
    x = 65,424,689,739.74/274,541.05
  6. Step 6: Final answer
    x = 238,305.67

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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.