Finding the Fourth Proportional to 99,963.30, 149,952.68 and 33,403.66
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Solution
The fourth proportional to 99,963.30, 149,952.68 and 33,403.66 is: 50,108.07
Step by Step Solution
- Step 1: Write the proportion equation
99,963.30 : 149,952.68 = 33,403.66 : x - Step 2: Convert to fraction form
99,963.30/149,952.68 = 33,403.66/x - Step 3: Cross multiply
99,963.30x = 149,952.68 × 33,403.66 - Step 4: Simplify right side
99,963.30x = 5,008,967,422.03 - Step 5: Solve for x
x = 5,008,967,422.03/99,963.30 - Step 6: Final answer
x = 50,108.07
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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.