Finding the Fourth Proportional to 511,138.04, 705,375.30 and 281,703.68
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Solution
The fourth proportional to 511,138.04, 705,375.30 and 281,703.68 is: 388,753.73
Step by Step Solution
- Step 1: Write the proportion equation
511,138.04 : 705,375.30 = 281,703.68 : x - Step 2: Convert to fraction form
511,138.04/705,375.30 = 281,703.68/x - Step 3: Cross multiply
511,138.04x = 705,375.30 × 281,703.68 - Step 4: Simplify right side
511,138.04x = 198,706,817,791.10 - Step 5: Solve for x
x = 198,706,817,791.10/511,138.04 - Step 6: Final answer
x = 388,753.73
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.