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Finding the Fourth Proportional to 219,803.29, 303,344.84 and 123,016.85

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Solution

The fourth proportional to 219,803.29, 303,344.84 and 123,016.85 is: 169,772.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,803.29 : 303,344.84 = 123,016.85 : x
  2. Step 2: Convert to fraction form
    219,803.29/303,344.84 = 123,016.85/x
  3. Step 3: Cross multiply
    219,803.29x = 303,344.84 × 123,016.85
  4. Step 4: Simplify right side
    219,803.29x = 37,316,525,163.83
  5. Step 5: Solve for x
    x = 37,316,525,163.83/219,803.29
  6. Step 6: Final answer
    x = 169,772.37

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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.