Finding the Fourth Proportional to 97,780.58, 146,642.62 and 44,442.84
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Solution
The fourth proportional to 97,780.58, 146,642.62 and 44,442.84 is: 66,651.42
Step by Step Solution
- Step 1: Write the proportion equation
97,780.58 : 146,642.62 = 44,442.84 : x - Step 2: Convert to fraction form
97,780.58/146,642.62 = 44,442.84/x - Step 3: Cross multiply
97,780.58x = 146,642.62 × 44,442.84 - Step 4: Simplify right side
97,780.58x = 6,517,215,019.97 - Step 5: Solve for x
x = 6,517,215,019.97/97,780.58 - Step 6: Final answer
x = 66,651.42
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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.