Finding the Fourth Proportional to 517,277.75, 713,830.12 and 299,456.19
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Solution
The fourth proportional to 517,277.75, 713,830.12 and 299,456.19 is: 413,241.92
Step by Step Solution
- Step 1: Write the proportion equation
517,277.75 : 713,830.12 = 299,456.19 : x - Step 2: Convert to fraction form
517,277.75/713,830.12 = 299,456.19/x - Step 3: Cross multiply
517,277.75x = 713,830.12 × 299,456.19 - Step 4: Simplify right side
517,277.75x = 213,760,847,293.80 - Step 5: Solve for x
x = 213,760,847,293.80/517,277.75 - Step 6: Final answer
x = 413,241.92
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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.