Finding the Fourth Proportional to 221,455.80, 332,022.78 and 88,296.12
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Solution
The fourth proportional to 221,455.80, 332,022.78 and 88,296.12 is: 132,380.02
Step by Step Solution
- Step 1: Write the proportion equation
221,455.80 : 332,022.78 = 88,296.12 : x - Step 2: Convert to fraction form
221,455.80/332,022.78 = 88,296.12/x - Step 3: Cross multiply
221,455.80x = 332,022.78 × 88,296.12 - Step 4: Simplify right side
221,455.80x = 29,316,323,225.61 - Step 5: Solve for x
x = 29,316,323,225.61/221,455.80 - Step 6: Final answer
x = 132,380.02
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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.