Finding the Fourth Proportional to 511,252.29, 705,533.22 and 281,817.63
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Solution
The fourth proportional to 511,252.29, 705,533.22 and 281,817.63 is: 388,911.12
Step by Step Solution
- Step 1: Write the proportion equation
511,252.29 : 705,533.22 = 281,817.63 : x - Step 2: Convert to fraction form
511,252.29/705,533.22 = 281,817.63/x - Step 3: Cross multiply
511,252.29x = 705,533.22 × 281,817.63 - Step 4: Simplify right side
511,252.29x = 198,831,699,946.67 - Step 5: Solve for x
x = 198,831,699,946.67/511,252.29 - Step 6: Final answer
x = 388,911.12
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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.