Finding the Fourth Proportional to 217,425.80, 326,138.70 and 164,937.80
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Solution
The fourth proportional to 217,425.80, 326,138.70 and 164,937.80 is: 247,406.70
Step by Step Solution
- Step 1: Write the proportion equation
217,425.80 : 326,138.70 = 164,937.80 : x - Step 2: Convert to fraction form
217,425.80/326,138.70 = 164,937.80/x - Step 3: Cross multiply
217,425.80x = 326,138.70 × 164,937.80 - Step 4: Simplify right side
217,425.80x = 53,792,599,672.86 - Step 5: Solve for x
x = 53,792,599,672.86/217,425.80 - Step 6: Final answer
x = 247,406.70
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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.