Finding the Fourth Proportional to 137,778.20, 206,618.68 and 44,252.36
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Solution
The fourth proportional to 137,778.20, 206,618.68 and 44,252.36 is: 66,362.92
Step by Step Solution
- Step 1: Write the proportion equation
137,778.20 : 206,618.68 = 44,252.36 : x - Step 2: Convert to fraction form
137,778.20/206,618.68 = 44,252.36/x - Step 3: Cross multiply
137,778.20x = 206,618.68 × 44,252.36 - Step 4: Simplify right side
137,778.20x = 9,143,364,210.08 - Step 5: Solve for x
x = 9,143,364,210.08/137,778.20 - Step 6: Final answer
x = 66,362.92
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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.