Home / 276,528.96-381,617.22-155,674.66

Finding the Fourth Proportional to 276,528.96, 381,617.22 and 155,674.66

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Solution

The fourth proportional to 276,528.96, 381,617.22 and 155,674.66 is: 214,835.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,528.96 : 381,617.22 = 155,674.66 : x
  2. Step 2: Convert to fraction form
    276,528.96/381,617.22 = 155,674.66/x
  3. Step 3: Cross multiply
    276,528.96x = 381,617.22 × 155,674.66
  4. Step 4: Simplify right side
    276,528.96x = 59,408,131,318.91
  5. Step 5: Solve for x
    x = 59,408,131,318.91/276,528.96
  6. Step 6: Final answer
    x = 214,835.11

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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.