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Finding the Fourth Proportional to 276,797.91, 382,009.32 and 169,438.89

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Solution

The fourth proportional to 276,797.91, 382,009.32 and 169,438.89 is: 233,842.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,797.91 : 382,009.32 = 169,438.89 : x
  2. Step 2: Convert to fraction form
    276,797.91/382,009.32 = 169,438.89/x
  3. Step 3: Cross multiply
    276,797.91x = 382,009.32 × 169,438.89
  4. Step 4: Simplify right side
    276,797.91x = 64,727,235,150.45
  5. Step 5: Solve for x
    x = 64,727,235,150.45/276,797.91
  6. Step 6: Final answer
    x = 233,842.93

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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.