Home / 276,727.10-381,912.10-169,368.62

Finding the Fourth Proportional to 276,727.10, 381,912.10 and 169,368.62

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Solution

The fourth proportional to 276,727.10, 381,912.10 and 169,368.62 is: 233,746.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,727.10 : 381,912.10 = 169,368.62 : x
  2. Step 2: Convert to fraction form
    276,727.10/381,912.10 = 169,368.62/x
  3. Step 3: Cross multiply
    276,727.10x = 381,912.10 × 169,368.62
  4. Step 4: Simplify right side
    276,727.10x = 64,683,923,005.32
  5. Step 5: Solve for x
    x = 64,683,923,005.32/276,727.10
  6. Step 6: Final answer
    x = 233,746.26

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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.