Finding the Fourth Proportional to 173,381.64, 260,083.79 and 53,423.88
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Solution
The fourth proportional to 173,381.64, 260,083.79 and 53,423.88 is: 80,139.31
Step by Step Solution
- Step 1: Write the proportion equation
173,381.64 : 260,083.79 = 53,423.88 : x - Step 2: Convert to fraction form
173,381.64/260,083.79 = 53,423.88/x - Step 3: Cross multiply
173,381.64x = 260,083.79 × 53,423.88 - Step 4: Simplify right side
173,381.64x = 13,894,685,186.91 - Step 5: Solve for x
x = 13,894,685,186.91/173,381.64 - Step 6: Final answer
x = 80,139.31
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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.