Finding the Fourth Proportional to 221,076.84, 331,625.70 and 63,328.44
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Solution
The fourth proportional to 221,076.84, 331,625.70 and 63,328.44 is: 94,995.65
Step by Step Solution
- Step 1: Write the proportion equation
221,076.84 : 331,625.70 = 63,328.44 : x - Step 2: Convert to fraction form
221,076.84/331,625.70 = 63,328.44/x - Step 3: Cross multiply
221,076.84x = 331,625.70 × 63,328.44 - Step 4: Simplify right side
221,076.84x = 21,001,338,244.91 - Step 5: Solve for x
x = 21,001,338,244.91/221,076.84 - Step 6: Final answer
x = 94,995.65
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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.