Finding the Fourth Proportional to 154,966.70, 232,450.05 and 109,695.80
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Solution
The fourth proportional to 154,966.70, 232,450.05 and 109,695.80 is: 164,543.70
Step by Step Solution
- Step 1: Write the proportion equation
154,966.70 : 232,450.05 = 109,695.80 : x - Step 2: Convert to fraction form
154,966.70/232,450.05 = 109,695.80/x - Step 3: Cross multiply
154,966.70x = 232,450.05 × 109,695.80 - Step 4: Simplify right side
154,966.70x = 25,498,794,194.79 - Step 5: Solve for x
x = 25,498,794,194.79/154,966.70 - Step 6: Final answer
x = 164,543.70
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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.