Home / 276,336.52-381,317.18-155,475.14

Finding the Fourth Proportional to 276,336.52, 381,317.18 and 155,475.14

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Solution

The fourth proportional to 276,336.52, 381,317.18 and 155,475.14 is: 214,540.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,336.52 : 381,317.18 = 155,475.14 : x
  2. Step 2: Convert to fraction form
    276,336.52/381,317.18 = 155,475.14/x
  3. Step 3: Cross multiply
    276,336.52x = 381,317.18 × 155,475.14
  4. Step 4: Simplify right side
    276,336.52x = 59,285,339,260.94
  5. Step 5: Solve for x
    x = 59,285,339,260.94/276,336.52
  6. Step 6: Final answer
    x = 214,540.37

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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.