Finding the Fourth Proportional to 221,692.74, 332,585.79 and 71,921.31
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Solution
The fourth proportional to 221,692.74, 332,585.79 and 71,921.31 is: 107,897.11
Step by Step Solution
- Step 1: Write the proportion equation
221,692.74 : 332,585.79 = 71,921.31 : x - Step 2: Convert to fraction form
221,692.74/332,585.79 = 71,921.31/x - Step 3: Cross multiply
221,692.74x = 332,585.79 × 71,921.31 - Step 4: Simplify right side
221,692.74x = 23,920,005,704.18 - Step 5: Solve for x
x = 23,920,005,704.18/221,692.74 - Step 6: Final answer
x = 107,897.11
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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.