Finding the Fourth Proportional to 147,081.68, 220,176.41 and 133,047.62
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Solution
The fourth proportional to 147,081.68, 220,176.41 and 133,047.62 is: 199,167.88
Step by Step Solution
- Step 1: Write the proportion equation
147,081.68 : 220,176.41 = 133,047.62 : x - Step 2: Convert to fraction form
147,081.68/220,176.41 = 133,047.62/x - Step 3: Cross multiply
147,081.68x = 220,176.41 × 133,047.62 - Step 4: Simplify right side
147,081.68x = 29,293,945,564.52 - Step 5: Solve for x
x = 29,293,945,564.52/147,081.68 - Step 6: Final answer
x = 199,167.88
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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.