Finding the Fourth Proportional to 109,044.99, 163,589.45 and 38,922.48
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Solution
The fourth proportional to 109,044.99, 163,589.45 and 38,922.48 is: 58,391.56
Step by Step Solution
- Step 1: Write the proportion equation
109,044.99 : 163,589.45 = 38,922.48 : x - Step 2: Convert to fraction form
109,044.99/163,589.45 = 38,922.48/x - Step 3: Cross multiply
109,044.99x = 163,589.45 × 38,922.48 - Step 4: Simplify right side
109,044.99x = 6,367,306,901.22 - Step 5: Solve for x
x = 6,367,306,901.22/109,044.99 - Step 6: Final answer
x = 58,391.56
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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.