Finding the Fourth Proportional to 66,841.12, 100,258.17 and 22,468.78
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Solution
The fourth proportional to 66,841.12, 100,258.17 and 22,468.78 is: 33,701.99
Step by Step Solution
- Step 1: Write the proportion equation
66,841.12 : 100,258.17 = 22,468.78 : x - Step 2: Convert to fraction form
66,841.12/100,258.17 = 22,468.78/x - Step 3: Cross multiply
66,841.12x = 100,258.17 × 22,468.78 - Step 4: Simplify right side
66,841.12x = 2,252,678,764.93 - Step 5: Solve for x
x = 2,252,678,764.93/66,841.12 - Step 6: Final answer
x = 33,701.99
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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.