Finding the Fourth Proportional to 217,439.70, 326,159.55 and 217,439.70
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Solution
The fourth proportional to 217,439.70, 326,159.55 and 217,439.70 is: 326,159.55
Step by Step Solution
- Step 1: Write the proportion equation
217,439.70 : 326,159.55 = 217,439.70 : x - Step 2: Convert to fraction form
217,439.70/326,159.55 = 217,439.70/x - Step 3: Cross multiply
217,439.70x = 326,159.55 × 217,439.70 - Step 4: Simplify right side
217,439.70x = 70,920,034,704.14 - Step 5: Solve for x
x = 70,920,034,704.14/217,439.70 - Step 6: Final answer
x = 326,159.55
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1.5x scale
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.