Home / 276,430.44-381,504.96-155,601.12

Finding the Fourth Proportional to 276,430.44, 381,504.96 and 155,601.12

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Solution

The fourth proportional to 276,430.44, 381,504.96 and 155,601.12 is: 214,746.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,430.44 : 381,504.96 = 155,601.12 : x
  2. Step 2: Convert to fraction form
    276,430.44/381,504.96 = 155,601.12/x
  3. Step 3: Cross multiply
    276,430.44x = 381,504.96 × 155,601.12
  4. Step 4: Simplify right side
    276,430.44x = 59,362,599,061.56
  5. Step 5: Solve for x
    x = 59,362,599,061.56/276,430.44
  6. Step 6: Final answer
    x = 214,746.97

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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.