Finding the Fourth Proportional to 579,193.98, 868,674.33 and 158,512.38
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Solution
The fourth proportional to 579,193.98, 868,674.33 and 158,512.38 is: 237,736.65
Step by Step Solution
- Step 1: Write the proportion equation
579,193.98 : 868,674.33 = 158,512.38 : x - Step 2: Convert to fraction form
579,193.98/868,674.33 = 158,512.38/x - Step 3: Cross multiply
579,193.98x = 868,674.33 × 158,512.38 - Step 4: Simplify right side
579,193.98x = 137,695,635,493.21 - Step 5: Solve for x
x = 137,695,635,493.21/579,193.98 - Step 6: Final answer
x = 237,736.65
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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.