Finding the Fourth Proportional to 99,542.05, 149,356.28 and 50,294.05
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Solution
The fourth proportional to 99,542.05, 149,356.28 and 50,294.05 is: 75,462.90
Step by Step Solution
- Step 1: Write the proportion equation
99,542.05 : 149,356.28 = 50,294.05 : x - Step 2: Convert to fraction form
99,542.05/149,356.28 = 50,294.05/x - Step 3: Cross multiply
99,542.05x = 149,356.28 × 50,294.05 - Step 4: Simplify right side
99,542.05x = 7,511,731,962.66 - Step 5: Solve for x
x = 7,511,731,962.66/99,542.05 - Step 6: Final answer
x = 75,462.90
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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.