Finding the Fourth Proportional to 234,620.20, 351,927.10 and 76,853.80
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Solution
The fourth proportional to 234,620.20, 351,927.10 and 76,853.80 is: 115,279.65
Step by Step Solution
- Step 1: Write the proportion equation
234,620.20 : 351,927.10 = 76,853.80 : x - Step 2: Convert to fraction form
234,620.20/351,927.10 = 76,853.80/x - Step 3: Cross multiply
234,620.20x = 351,927.10 × 76,853.80 - Step 4: Simplify right side
234,620.20x = 27,046,934,957.98 - Step 5: Solve for x
x = 27,046,934,957.98/234,620.20 - Step 6: Final answer
x = 115,279.65
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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.