Finding the Fourth Proportional to 128,925.22, 193,340.58 and 44,663.62
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Solution
The fourth proportional to 128,925.22, 193,340.58 and 44,663.62 is: 66,979.06
Step by Step Solution
- Step 1: Write the proportion equation
128,925.22 : 193,340.58 = 44,663.62 : x - Step 2: Convert to fraction form
128,925.22/193,340.58 = 44,663.62/x - Step 3: Cross multiply
128,925.22x = 193,340.58 × 44,663.62 - Step 4: Simplify right side
128,925.22x = 8,635,290,195.70 - Step 5: Solve for x
x = 8,635,290,195.70/128,925.22 - Step 6: Final answer
x = 66,979.06
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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.