Home / 276,327.75-381,332.31-157,095.75

Finding the Fourth Proportional to 276,327.75, 381,332.31 and 157,095.75

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Solution

The fourth proportional to 276,327.75, 381,332.31 and 157,095.75 is: 216,792.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,327.75 : 381,332.31 = 157,095.75 : x
  2. Step 2: Convert to fraction form
    276,327.75/381,332.31 = 157,095.75/x
  3. Step 3: Cross multiply
    276,327.75x = 381,332.31 × 157,095.75
  4. Step 4: Simplify right side
    276,327.75x = 59,905,685,238.68
  5. Step 5: Solve for x
    x = 59,905,685,238.68/276,327.75
  6. Step 6: Final answer
    x = 216,792.14

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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.