Home / 276,617.40-381,637.49-167,755.02

Finding the Fourth Proportional to 276,617.40, 381,637.49 and 167,755.02

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Solution

The fourth proportional to 276,617.40, 381,637.49 and 167,755.02 is: 231,444.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,617.40 : 381,637.49 = 167,755.02 : x
  2. Step 2: Convert to fraction form
    276,617.40/381,637.49 = 167,755.02/x
  3. Step 3: Cross multiply
    276,617.40x = 381,637.49 × 167,755.02
  4. Step 4: Simplify right side
    276,617.40x = 64,021,603,928.92
  5. Step 5: Solve for x
    x = 64,021,603,928.92/276,617.40
  6. Step 6: Final answer
    x = 231,444.60

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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.