Finding the Fourth Proportional to 511,299.14, 705,592.71 and 281,860.20
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Solution
The fourth proportional to 511,299.14, 705,592.71 and 281,860.20 is: 388,967.02
Step by Step Solution
- Step 1: Write the proportion equation
511,299.14 : 705,592.71 = 281,860.20 : x - Step 2: Convert to fraction form
511,299.14/705,592.71 = 281,860.20/x - Step 3: Cross multiply
511,299.14x = 705,592.71 × 281,860.20 - Step 4: Simplify right side
511,299.14x = 198,878,502,359.14 - Step 5: Solve for x
x = 198,878,502,359.14/511,299.14 - Step 6: Final answer
x = 388,967.02
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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.