Home / 276,364.32-381,429.18-160,060.74

Finding the Fourth Proportional to 276,364.32, 381,429.18 and 160,060.74

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Solution

The fourth proportional to 276,364.32, 381,429.18 and 160,060.74 is: 220,910.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,364.32 : 381,429.18 = 160,060.74 : x
  2. Step 2: Convert to fraction form
    276,364.32/381,429.18 = 160,060.74/x
  3. Step 3: Cross multiply
    276,364.32x = 381,429.18 × 160,060.74
  4. Step 4: Simplify right side
    276,364.32x = 61,051,836,808.39
  5. Step 5: Solve for x
    x = 61,051,836,808.39/276,364.32
  6. Step 6: Final answer
    x = 220,910.71

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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.