Finding the Fourth Proportional to 511,915.04, 706,441.91 and 282,472.14
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Solution
The fourth proportional to 511,915.04, 706,441.91 and 282,472.14 is: 389,811.09
Step by Step Solution
- Step 1: Write the proportion equation
511,915.04 : 706,441.91 = 282,472.14 : x - Step 2: Convert to fraction form
511,915.04/706,441.91 = 282,472.14/x - Step 3: Cross multiply
511,915.04x = 706,441.91 × 282,472.14 - Step 4: Simplify right side
511,915.04x = 199,550,156,691.03 - Step 5: Solve for x
x = 199,550,156,691.03/511,915.04 - Step 6: Final answer
x = 389,811.09
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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.