Finding the Fourth Proportional to 217,613.70, 326,420.55 and 201,867.30
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Solution
The fourth proportional to 217,613.70, 326,420.55 and 201,867.30 is: 302,800.95
Step by Step Solution
- Step 1: Write the proportion equation
217,613.70 : 326,420.55 = 201,867.30 : x - Step 2: Convert to fraction form
217,613.70/326,420.55 = 201,867.30/x - Step 3: Cross multiply
217,613.70x = 326,420.55 × 201,867.30 - Step 4: Simplify right side
217,613.70x = 65,893,635,093.02 - Step 5: Solve for x
x = 65,893,635,093.02/217,613.70 - Step 6: Final answer
x = 302,800.95
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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.