Finding the Fourth Proportional to 177,382.20, 266,073.30 and 165,631.80
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Solution
The fourth proportional to 177,382.20, 266,073.30 and 165,631.80 is: 248,447.70
Step by Step Solution
- Step 1: Write the proportion equation
177,382.20 : 266,073.30 = 165,631.80 : x - Step 2: Convert to fraction form
177,382.20/266,073.30 = 165,631.80/x - Step 3: Cross multiply
177,382.20x = 266,073.30 × 165,631.80 - Step 4: Simplify right side
177,382.20x = 44,070,199,610.94 - Step 5: Solve for x
x = 44,070,199,610.94/177,382.20 - Step 6: Final answer
x = 248,447.70
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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.