Finding the Fourth Proportional to 99,663.18, 149,463.99 and 33,090.09
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Solution
The fourth proportional to 99,663.18, 149,463.99 and 33,090.09 is: 49,624.92
Step by Step Solution
- Step 1: Write the proportion equation
99,663.18 : 149,463.99 = 33,090.09 : x - Step 2: Convert to fraction form
99,663.18/149,463.99 = 33,090.09/x - Step 3: Cross multiply
99,663.18x = 149,463.99 × 33,090.09 - Step 4: Simplify right side
99,663.18x = 4,945,776,880.86 - Step 5: Solve for x
x = 4,945,776,880.86/99,663.18 - Step 6: Final answer
x = 49,624.92
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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.