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Finding the Fourth Proportional to 219,611.88, 303,064.38 and 119,009.88

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Solution

The fourth proportional to 219,611.88, 303,064.38 and 119,009.88 is: 164,233.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,611.88 : 303,064.38 = 119,009.88 : x
  2. Step 2: Convert to fraction form
    219,611.88/303,064.38 = 119,009.88/x
  3. Step 3: Cross multiply
    219,611.88x = 303,064.38 × 119,009.88
  4. Step 4: Simplify right side
    219,611.88x = 36,067,655,496.07
  5. Step 5: Solve for x
    x = 36,067,655,496.07/219,611.88
  6. Step 6: Final answer
    x = 164,233.63

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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.