Finding the Fourth Proportional to 542,601.18, 748,827.99 and 300,906.90
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Solution
The fourth proportional to 542,601.18, 748,827.99 and 300,906.90 is: 415,272.80
Step by Step Solution
- Step 1: Write the proportion equation
542,601.18 : 748,827.99 = 300,906.90 : x - Step 2: Convert to fraction form
542,601.18/748,827.99 = 300,906.90/x - Step 3: Cross multiply
542,601.18x = 748,827.99 × 300,906.90 - Step 4: Simplify right side
542,601.18x = 225,327,509,104.13 - Step 5: Solve for x
x = 225,327,509,104.13/542,601.18 - Step 6: Final answer
x = 415,272.80
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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.