Finding the Fourth Proportional to 263,387.99, 363,474.99 and 148,690.77
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Solution
The fourth proportional to 263,387.99, 363,474.99 and 148,690.77 is: 205,193.02
Step by Step Solution
- Step 1: Write the proportion equation
263,387.99 : 363,474.99 = 148,690.77 : x - Step 2: Convert to fraction form
263,387.99/363,474.99 = 148,690.77/x - Step 3: Cross multiply
263,387.99x = 363,474.99 × 148,690.77 - Step 4: Simplify right side
263,387.99x = 54,045,376,138.84 - Step 5: Solve for x
x = 54,045,376,138.84/263,387.99 - Step 6: Final answer
x = 205,193.02
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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.