Finding the Fourth Proportional to 220,115.34, 330,304.18 and 79,884.90
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Solution
The fourth proportional to 220,115.34, 330,304.18 and 79,884.90 is: 119,874.95
Step by Step Solution
- Step 1: Write the proportion equation
220,115.34 : 330,304.18 = 79,884.90 : x - Step 2: Convert to fraction form
220,115.34/330,304.18 = 79,884.90/x - Step 3: Cross multiply
220,115.34x = 330,304.18 × 79,884.90 - Step 4: Simplify right side
220,115.34x = 26,386,316,388.88 - Step 5: Solve for x
x = 26,386,316,388.88/220,115.34 - Step 6: Final answer
x = 119,874.95
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1.5x scale
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.