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Finding the Fourth Proportional to 219,962, 303,476.94 and 123,151.56

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Solution

The fourth proportional to 219,962, 303,476.94 and 123,151.56 is: 169,909.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,962 : 303,476.94 = 123,151.56 : x
  2. Step 2: Convert to fraction form
    219,962/303,476.94 = 123,151.56/x
  3. Step 3: Cross multiply
    219,962x = 303,476.94 × 123,151.56
  4. Step 4: Simplify right side
    219,962x = 37,373,658,585.03
  5. Step 5: Solve for x
    x = 37,373,658,585.03/219,962
  6. Step 6: Final answer
    x = 169,909.61

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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.