Finding the Fourth Proportional to 272,482.76, 375,813.19 and 177,020.21
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Solution
The fourth proportional to 272,482.76, 375,813.19 and 177,020.21 is: 244,149.50
Step by Step Solution
- Step 1: Write the proportion equation
272,482.76 : 375,813.19 = 177,020.21 : x - Step 2: Convert to fraction form
272,482.76/375,813.19 = 177,020.21/x - Step 3: Cross multiply
272,482.76x = 375,813.19 × 177,020.21 - Step 4: Simplify right side
272,482.76x = 66,526,529,814.57 - Step 5: Solve for x
x = 66,526,529,814.57/272,482.76 - Step 6: Final answer
x = 244,149.50
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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.