Finding the Fourth Proportional to 221,767.68, 306,039.53 and 119,793.15
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Solution
The fourth proportional to 221,767.68, 306,039.53 and 119,793.15 is: 165,314.62
Step by Step Solution
- Step 1: Write the proportion equation
221,767.68 : 306,039.53 = 119,793.15 : x - Step 2: Convert to fraction form
221,767.68/306,039.53 = 119,793.15/x - Step 3: Cross multiply
221,767.68x = 306,039.53 × 119,793.15 - Step 4: Simplify right side
221,767.68x = 36,661,439,323.22 - Step 5: Solve for x
x = 36,661,439,323.22/221,767.68 - Step 6: Final answer
x = 165,314.62
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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.