Finding the Fourth Proportional to 89,261.63, 133,891.87 and 22,701.18
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Solution
The fourth proportional to 89,261.63, 133,891.87 and 22,701.18 is: 34,051.63
Step by Step Solution
- Step 1: Write the proportion equation
89,261.63 : 133,891.87 = 22,701.18 : x - Step 2: Convert to fraction form
89,261.63/133,891.87 = 22,701.18/x - Step 3: Cross multiply
89,261.63x = 133,891.87 × 22,701.18 - Step 4: Simplify right side
89,261.63x = 3,039,503,645.26 - Step 5: Solve for x
x = 3,039,503,645.26/89,261.63 - Step 6: Final answer
x = 34,051.63
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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.