Finding the Fourth Proportional to 112,909.48, 169,351.26 and 29,809.96
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Solution
The fourth proportional to 112,909.48, 169,351.26 and 29,809.96 is: 44,711.52
Step by Step Solution
- Step 1: Write the proportion equation
112,909.48 : 169,351.26 = 29,809.96 : x - Step 2: Convert to fraction form
112,909.48/169,351.26 = 29,809.96/x - Step 3: Cross multiply
112,909.48x = 169,351.26 × 29,809.96 - Step 4: Simplify right side
112,909.48x = 5,048,354,286.55 - Step 5: Solve for x
x = 5,048,354,286.55/112,909.48 - Step 6: Final answer
x = 44,711.52
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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.