Finding the Fourth Proportional to 145,882.62, 218,714.58 and 61,741.44
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Solution
The fourth proportional to 145,882.62, 218,714.58 and 61,741.44 is: 92,565.88
Step by Step Solution
- Step 1: Write the proportion equation
145,882.62 : 218,714.58 = 61,741.44 : x - Step 2: Convert to fraction form
145,882.62/218,714.58 = 61,741.44/x - Step 3: Cross multiply
145,882.62x = 218,714.58 × 61,741.44 - Step 4: Simplify right side
145,882.62x = 13,503,753,118.20 - Step 5: Solve for x
x = 13,503,753,118.20/145,882.62 - Step 6: Final answer
x = 92,565.88
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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.