Finding the Fourth Proportional to 465,920.48, 699,203.84 and 213,231.84
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Solution
The fourth proportional to 465,920.48, 699,203.84 and 213,231.84 is: 319,995.64
Step by Step Solution
- Step 1: Write the proportion equation
465,920.48 : 699,203.84 = 213,231.84 : x - Step 2: Convert to fraction form
465,920.48/699,203.84 = 213,231.84/x - Step 3: Cross multiply
465,920.48x = 699,203.84 × 213,231.84 - Step 4: Simplify right side
465,920.48x = 149,092,521,338.27 - Step 5: Solve for x
x = 149,092,521,338.27/465,920.48 - Step 6: Final answer
x = 319,995.64
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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.