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Finding the Fourth Proportional to 276,959.80, 382,202.58 and 163,780.12

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Solution

The fourth proportional to 276,959.80, 382,202.58 and 163,780.12 is: 226,015.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,959.80 : 382,202.58 = 163,780.12 : x
  2. Step 2: Convert to fraction form
    276,959.80/382,202.58 = 163,780.12/x
  3. Step 3: Cross multiply
    276,959.80x = 382,202.58 × 163,780.12
  4. Step 4: Simplify right side
    276,959.80x = 62,597,184,416.71
  5. Step 5: Solve for x
    x = 62,597,184,416.71/276,959.80
  6. Step 6: Final answer
    x = 226,015.42

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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.