Home / 347,732.52-479,837.70-276,285.48

Finding the Fourth Proportional to 347,732.52, 479,837.70 and 276,285.48

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Solution

The fourth proportional to 347,732.52, 479,837.70 and 276,285.48 is: 381,247.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,732.52 : 479,837.70 = 276,285.48 : x
  2. Step 2: Convert to fraction form
    347,732.52/479,837.70 = 276,285.48/x
  3. Step 3: Cross multiply
    347,732.52x = 479,837.70 × 276,285.48
  4. Step 4: Simplify right side
    347,732.52x = 132,572,189,266.60
  5. Step 5: Solve for x
    x = 132,572,189,266.60/347,732.52
  6. Step 6: Final answer
    x = 381,247.60

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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.