Finding the Fourth Proportional to 135,763.91, 203,380.97 and 88,874.63
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Solution
The fourth proportional to 135,763.91, 203,380.97 and 88,874.63 is: 133,138.53
Step by Step Solution
- Step 1: Write the proportion equation
135,763.91 : 203,380.97 = 88,874.63 : x - Step 2: Convert to fraction form
135,763.91/203,380.97 = 88,874.63/x - Step 3: Cross multiply
135,763.91x = 203,380.97 × 88,874.63 - Step 4: Simplify right side
135,763.91x = 18,075,406,996.51 - Step 5: Solve for x
x = 18,075,406,996.51/135,763.91 - Step 6: Final answer
x = 133,138.53
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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.