Finding the Fourth Proportional to 221,465.86, 332,251.70 and 71,706.31
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Solution
The fourth proportional to 221,465.86, 332,251.70 and 71,706.31 is: 107,576.60
Step by Step Solution
- Step 1: Write the proportion equation
221,465.86 : 332,251.70 = 71,706.31 : x - Step 2: Convert to fraction form
221,465.86/332,251.70 = 71,706.31/x - Step 3: Cross multiply
221,465.86x = 332,251.70 × 71,706.31 - Step 4: Simplify right side
221,465.86x = 23,824,543,398.23 - Step 5: Solve for x
x = 23,824,543,398.23/221,465.86 - Step 6: Final answer
x = 107,576.60
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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.