Finding the Fourth Proportional to 511,737.08, 706,188.42 and 282,316.32
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Solution
The fourth proportional to 511,737.08, 706,188.42 and 282,316.32 is: 389,591.70
Step by Step Solution
- Step 1: Write the proportion equation
511,737.08 : 706,188.42 = 282,316.32 : x - Step 2: Convert to fraction form
511,737.08/706,188.42 = 282,316.32/x - Step 3: Cross multiply
511,737.08x = 706,188.42 × 282,316.32 - Step 4: Simplify right side
511,737.08x = 199,368,515,961.01 - Step 5: Solve for x
x = 199,368,515,961.01/511,737.08 - Step 6: Final answer
x = 389,591.70
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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.