Finding the Fourth Proportional to 99,564.48, 149,346.72 and 29,449.92
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Solution
The fourth proportional to 99,564.48, 149,346.72 and 29,449.92 is: 44,174.88
Step by Step Solution
- Step 1: Write the proportion equation
99,564.48 : 149,346.72 = 29,449.92 : x - Step 2: Convert to fraction form
99,564.48/149,346.72 = 29,449.92/x - Step 3: Cross multiply
99,564.48x = 149,346.72 × 29,449.92 - Step 4: Simplify right side
99,564.48x = 4,398,248,956.26 - Step 5: Solve for x
x = 4,398,248,956.26/99,564.48 - Step 6: Final answer
x = 44,174.88
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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.