Home / 276,529.84-381,596.66-155,667.11

Finding the Fourth Proportional to 276,529.84, 381,596.66 and 155,667.11

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Solution

The fourth proportional to 276,529.84, 381,596.66 and 155,667.11 is: 214,812.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,529.84 : 381,596.66 = 155,667.11 : x
  2. Step 2: Convert to fraction form
    276,529.84/381,596.66 = 155,667.11/x
  3. Step 3: Cross multiply
    276,529.84x = 381,596.66 × 155,667.11
  4. Step 4: Simplify right side
    276,529.84x = 59,402,049,247.85
  5. Step 5: Solve for x
    x = 59,402,049,247.85/276,529.84
  6. Step 6: Final answer
    x = 214,812.44

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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.