Finding the Fourth Proportional to 221,572.68, 332,252.10 and 109,209.48
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Solution
The fourth proportional to 221,572.68, 332,252.10 and 109,209.48 is: 163,761.52
Step by Step Solution
- Step 1: Write the proportion equation
221,572.68 : 332,252.10 = 109,209.48 : x - Step 2: Convert to fraction form
221,572.68/332,252.10 = 109,209.48/x - Step 3: Cross multiply
221,572.68x = 332,252.10 × 109,209.48 - Step 4: Simplify right side
221,572.68x = 36,285,079,069.91 - Step 5: Solve for x
x = 36,285,079,069.91/221,572.68 - Step 6: Final answer
x = 163,761.52
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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.