Home / 276,042.41-380,938.57-155,183.93

Finding the Fourth Proportional to 276,042.41, 380,938.57 and 155,183.93

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Solution

The fourth proportional to 276,042.41, 380,938.57 and 155,183.93 is: 214,153.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,042.41 : 380,938.57 = 155,183.93 : x
  2. Step 2: Convert to fraction form
    276,042.41/380,938.57 = 155,183.93/x
  3. Step 3: Cross multiply
    276,042.41x = 380,938.57 × 155,183.93
  4. Step 4: Simplify right side
    276,042.41x = 59,115,542,088.53
  5. Step 5: Solve for x
    x = 59,115,542,088.53/276,042.41
  6. Step 6: Final answer
    x = 214,153.84

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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.