Finding the Fourth Proportional to 221,937.80, 332,906.70 and 88,881.80
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Solution
The fourth proportional to 221,937.80, 332,906.70 and 88,881.80 is: 133,322.70
Step by Step Solution
- Step 1: Write the proportion equation
221,937.80 : 332,906.70 = 88,881.80 : x - Step 2: Convert to fraction form
221,937.80/332,906.70 = 88,881.80/x - Step 3: Cross multiply
221,937.80x = 332,906.70 × 88,881.80 - Step 4: Simplify right side
221,937.80x = 29,589,346,728.06 - Step 5: Solve for x
x = 29,589,346,728.06/221,937.80 - Step 6: Final answer
x = 133,322.70
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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.