Finding the Fourth Proportional to 221,635.84, 332,599.62 and 81,395.68
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Solution
The fourth proportional to 221,635.84, 332,599.62 and 81,395.68 is: 122,147.09
Step by Step Solution
- Step 1: Write the proportion equation
221,635.84 : 332,599.62 = 81,395.68 : x - Step 2: Convert to fraction form
221,635.84/332,599.62 = 81,395.68/x - Step 3: Cross multiply
221,635.84x = 332,599.62 × 81,395.68 - Step 4: Simplify right side
221,635.84x = 27,072,172,237.64 - Step 5: Solve for x
x = 27,072,172,237.64/221,635.84 - Step 6: Final answer
x = 122,147.09
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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.