Finding the Fourth Proportional to 221,631.60, 332,476.11 and 101,659.62
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Solution
The fourth proportional to 221,631.60, 332,476.11 and 101,659.62 is: 152,502.60
Step by Step Solution
- Step 1: Write the proportion equation
221,631.60 : 332,476.11 = 101,659.62 : x - Step 2: Convert to fraction form
221,631.60/332,476.11 = 101,659.62/x - Step 3: Cross multiply
221,631.60x = 332,476.11 × 101,659.62 - Step 4: Simplify right side
221,631.60x = 33,799,395,001.68 - Step 5: Solve for x
x = 33,799,395,001.68/221,631.60 - Step 6: Final answer
x = 152,502.60
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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.