Finding the Fourth Proportional to 242,658.05, 334,853.41 and 133,757.63
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Solution
The fourth proportional to 242,658.05, 334,853.41 and 133,757.63 is: 184,577.42
Step by Step Solution
- Step 1: Write the proportion equation
242,658.05 : 334,853.41 = 133,757.63 : x - Step 2: Convert to fraction form
242,658.05/334,853.41 = 133,757.63/x - Step 3: Cross multiply
242,658.05x = 334,853.41 × 133,757.63 - Step 4: Simplify right side
242,658.05x = 44,789,197,452.56 - Step 5: Solve for x
x = 44,789,197,452.56/242,658.05 - Step 6: Final answer
x = 184,577.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.