Finding the Fourth Proportional to 217,612.88, 326,381.70 and 57,689.84
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Solution
The fourth proportional to 217,612.88, 326,381.70 and 57,689.84 is: 86,524.79
Step by Step Solution
- Step 1: Write the proportion equation
217,612.88 : 326,381.70 = 57,689.84 : x - Step 2: Convert to fraction form
217,612.88/326,381.70 = 57,689.84/x - Step 3: Cross multiply
217,612.88x = 326,381.70 × 57,689.84 - Step 4: Simplify right side
217,612.88x = 18,828,908,051.93 - Step 5: Solve for x
x = 18,828,908,051.93/217,612.88 - Step 6: Final answer
x = 86,524.79
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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.