Finding the Fourth Proportional to 521,175.87, 781,566.98 and 221,797.44
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Solution
The fourth proportional to 521,175.87, 781,566.98 and 221,797.44 is: 332,612.39
Step by Step Solution
- Step 1: Write the proportion equation
521,175.87 : 781,566.98 = 221,797.44 : x - Step 2: Convert to fraction form
521,175.87/781,566.98 = 221,797.44/x - Step 3: Cross multiply
521,175.87x = 781,566.98 × 221,797.44 - Step 4: Simplify right side
521,175.87x = 173,349,554,243.54 - Step 5: Solve for x
x = 173,349,554,243.54/521,175.87 - Step 6: Final answer
x = 332,612.39
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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.