Finding the Fourth Proportional to 322,721.98, 445,349.99 and 179,478.94
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Solution
The fourth proportional to 322,721.98, 445,349.99 and 179,478.94 is: 247,677.41
Step by Step Solution
- Step 1: Write the proportion equation
322,721.98 : 445,349.99 = 179,478.94 : x - Step 2: Convert to fraction form
322,721.98/445,349.99 = 179,478.94/x - Step 3: Cross multiply
322,721.98x = 445,349.99 × 179,478.94 - Step 4: Simplify right side
322,721.98x = 79,930,944,134.21 - Step 5: Solve for x
x = 79,930,944,134.21/322,721.98 - Step 6: Final answer
x = 247,677.41
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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.