Finding the Fourth Proportional to 171,387.14, 236,590.63 and 113,278.87
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Solution
The fourth proportional to 171,387.14, 236,590.63 and 113,278.87 is: 156,375.32
Step by Step Solution
- Step 1: Write the proportion equation
171,387.14 : 236,590.63 = 113,278.87 : x - Step 2: Convert to fraction form
171,387.14/236,590.63 = 113,278.87/x - Step 3: Cross multiply
171,387.14x = 236,590.63 × 113,278.87 - Step 4: Simplify right side
171,387.14x = 26,800,718,344.31 - Step 5: Solve for x
x = 26,800,718,344.31/171,387.14 - Step 6: Final answer
x = 156,375.32
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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.