Finding the Fourth Proportional to 319,711.68, 441,124.80 and 204,937.92
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Solution
The fourth proportional to 319,711.68, 441,124.80 and 204,937.92 is: 282,764.77
Step by Step Solution
- Step 1: Write the proportion equation
319,711.68 : 441,124.80 = 204,937.92 : x - Step 2: Convert to fraction form
319,711.68/441,124.80 = 204,937.92/x - Step 3: Cross multiply
319,711.68x = 441,124.80 × 204,937.92 - Step 4: Simplify right side
319,711.68x = 90,403,198,972.42 - Step 5: Solve for x
x = 90,403,198,972.42/319,711.68 - Step 6: Final answer
x = 282,764.77
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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.