Finding the Fourth Proportional to 515,717.25, 773,575.18 and 195,868.50
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Solution
The fourth proportional to 515,717.25, 773,575.18 and 195,868.50 is: 293,802.48
Step by Step Solution
- Step 1: Write the proportion equation
515,717.25 : 773,575.18 = 195,868.50 : x - Step 2: Convert to fraction form
515,717.25/773,575.18 = 195,868.50/x - Step 3: Cross multiply
515,717.25x = 773,575.18 × 195,868.50 - Step 4: Simplify right side
515,717.25x = 151,519,006,753.25 - Step 5: Solve for x
x = 151,519,006,753.25/515,717.25 - Step 6: Final answer
x = 293,802.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.