Home / 276,770.36-381,941.41-155,950.56

Finding the Fourth Proportional to 276,770.36, 381,941.41 and 155,950.56

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Solution

The fourth proportional to 276,770.36, 381,941.41 and 155,950.56 is: 215,210.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,770.36 : 381,941.41 = 155,950.56 : x
  2. Step 2: Convert to fraction form
    276,770.36/381,941.41 = 155,950.56/x
  3. Step 3: Cross multiply
    276,770.36x = 381,941.41 × 155,950.56
  4. Step 4: Simplify right side
    276,770.36x = 59,563,976,776.69
  5. Step 5: Solve for x
    x = 59,563,976,776.69/276,770.36
  6. Step 6: Final answer
    x = 215,210.82

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1.5x scale

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.