Finding the Fourth Proportional to 133,211.65, 199,812.84 and 33,372.70
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Solution
The fourth proportional to 133,211.65, 199,812.84 and 33,372.70 is: 50,057.89
Step by Step Solution
- Step 1: Write the proportion equation
133,211.65 : 199,812.84 = 33,372.70 : x - Step 2: Convert to fraction form
133,211.65/199,812.84 = 33,372.70/x - Step 3: Cross multiply
133,211.65x = 199,812.84 × 33,372.70 - Step 4: Simplify right side
133,211.65x = 6,668,293,965.47 - Step 5: Solve for x
x = 6,668,293,965.47/133,211.65 - Step 6: Final answer
x = 50,057.89
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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.