Finding the Fourth Proportional to 159,957.20, 220,740.18 and 88,336.91
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Solution
The fourth proportional to 159,957.20, 220,740.18 and 88,336.91 is: 121,904.52
Step by Step Solution
- Step 1: Write the proportion equation
159,957.20 : 220,740.18 = 88,336.91 : x - Step 2: Convert to fraction form
159,957.20/220,740.18 = 88,336.91/x - Step 3: Cross multiply
159,957.20x = 220,740.18 × 88,336.91 - Step 4: Simplify right side
159,957.20x = 19,499,504,310.34 - Step 5: Solve for x
x = 19,499,504,310.34/159,957.20 - Step 6: Final answer
x = 121,904.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.