Home / 276,533.34-381,652.38-155,698.18

Finding the Fourth Proportional to 276,533.34, 381,652.38 and 155,698.18

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Solution

The fourth proportional to 276,533.34, 381,652.38 and 155,698.18 is: 214,883.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,533.34 : 381,652.38 = 155,698.18 : x
  2. Step 2: Convert to fraction form
    276,533.34/381,652.38 = 155,698.18/x
  3. Step 3: Cross multiply
    276,533.34x = 381,652.38 × 155,698.18
  4. Step 4: Simplify right side
    276,533.34x = 59,422,580,958.67
  5. Step 5: Solve for x
    x = 59,422,580,958.67/276,533.34
  6. Step 6: Final answer
    x = 214,883.97

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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.