Home / 276,328.64-381,347.52-163,148.96

Finding the Fourth Proportional to 276,328.64, 381,347.52 and 163,148.96

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Solution

The fourth proportional to 276,328.64, 381,347.52 and 163,148.96 is: 225,153.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,328.64 : 381,347.52 = 163,148.96 : x
  2. Step 2: Convert to fraction form
    276,328.64/381,347.52 = 163,148.96/x
  3. Step 3: Cross multiply
    276,328.64x = 381,347.52 × 163,148.96
  4. Step 4: Simplify right side
    276,328.64x = 62,216,451,286.58
  5. Step 5: Solve for x
    x = 62,216,451,286.58/276,328.64
  6. Step 6: Final answer
    x = 225,153.83

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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.