Finding the Fourth Proportional to 99,887.97, 149,781.80 and 33,304.53
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Solution
The fourth proportional to 99,887.97, 149,781.80 and 33,304.53 is: 49,940.07
Step by Step Solution
- Step 1: Write the proportion equation
99,887.97 : 149,781.80 = 33,304.53 : x - Step 2: Convert to fraction form
99,887.97/149,781.80 = 33,304.53/x - Step 3: Cross multiply
99,887.97x = 149,781.80 × 33,304.53 - Step 4: Simplify right side
99,887.97x = 4,988,412,285.03 - Step 5: Solve for x
x = 4,988,412,285.03/99,887.97 - Step 6: Final answer
x = 49,940.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.