Finding the Fourth Proportional to 319,618.48, 479,302.48 and 119,829.96
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Solution
The fourth proportional to 319,618.48, 479,302.48 and 119,829.96 is: 179,697.99
Step by Step Solution
- Step 1: Write the proportion equation
319,618.48 : 479,302.48 = 119,829.96 : x - Step 2: Convert to fraction form
319,618.48/479,302.48 = 119,829.96/x - Step 3: Cross multiply
319,618.48x = 479,302.48 × 119,829.96 - Step 4: Simplify right side
319,618.48x = 57,434,797,006.30 - Step 5: Solve for x
x = 57,434,797,006.30/319,618.48 - Step 6: Final answer
x = 179,697.99
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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.