Finding the Fourth Proportional to 81,516.62, 122,268.98 and 22,347.62
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Solution
The fourth proportional to 81,516.62, 122,268.98 and 22,347.62 is: 33,519.80
Step by Step Solution
- Step 1: Write the proportion equation
81,516.62 : 122,268.98 = 22,347.62 : x - Step 2: Convert to fraction form
81,516.62/122,268.98 = 22,347.62/x - Step 3: Cross multiply
81,516.62x = 122,268.98 × 22,347.62 - Step 4: Simplify right side
81,516.62x = 2,732,420,702.83 - Step 5: Solve for x
x = 2,732,420,702.83/81,516.62 - Step 6: Final answer
x = 33,519.80
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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.