Home / 276,621.04-381,744.60-169,189.12

Finding the Fourth Proportional to 276,621.04, 381,744.60 and 169,189.12

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Solution

The fourth proportional to 276,621.04, 381,744.60 and 169,189.12 is: 233,485.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,621.04 : 381,744.60 = 169,189.12 : x
  2. Step 2: Convert to fraction form
    276,621.04/381,744.60 = 169,189.12/x
  3. Step 3: Cross multiply
    276,621.04x = 381,744.60 × 169,189.12
  4. Step 4: Simplify right side
    276,621.04x = 64,587,032,938.75
  5. Step 5: Solve for x
    x = 64,587,032,938.75/276,621.04
  6. Step 6: Final answer
    x = 233,485.61

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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.