Finding the Fourth Proportional to 319,486.48, 479,229.72 and 97,841.68
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Solution
The fourth proportional to 319,486.48, 479,229.72 and 97,841.68 is: 146,762.52
Step by Step Solution
- Step 1: Write the proportion equation
319,486.48 : 479,229.72 = 97,841.68 : x - Step 2: Convert to fraction form
319,486.48/479,229.72 = 97,841.68/x - Step 3: Cross multiply
319,486.48x = 479,229.72 × 97,841.68 - Step 4: Simplify right side
319,486.48x = 46,888,640,910.73 - Step 5: Solve for x
x = 46,888,640,910.73/319,486.48 - Step 6: Final answer
x = 146,762.52
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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.