Finding the Fourth Proportional to 221,635.60, 332,482.12 and 101,663.62
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Solution
The fourth proportional to 221,635.60, 332,482.12 and 101,663.62 is: 152,508.60
Step by Step Solution
- Step 1: Write the proportion equation
221,635.60 : 332,482.12 = 101,663.62 : x - Step 2: Convert to fraction form
221,635.60/332,482.12 = 101,663.62/x - Step 3: Cross multiply
221,635.60x = 332,482.12 × 101,663.62 - Step 4: Simplify right side
221,635.60x = 33,801,335,904.47 - Step 5: Solve for x
x = 33,801,335,904.47/221,635.60 - Step 6: Final answer
x = 152,508.60
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1.5x scale
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.