Finding the Fourth Proportional to 217,378.08, 326,397.60 and 206,686.08
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Solution
The fourth proportional to 217,378.08, 326,397.60 and 206,686.08 is: 310,343.34
Step by Step Solution
- Step 1: Write the proportion equation
217,378.08 : 326,397.60 = 206,686.08 : x - Step 2: Convert to fraction form
217,378.08/326,397.60 = 206,686.08/x - Step 3: Cross multiply
217,378.08x = 326,397.60 × 206,686.08 - Step 4: Simplify right side
217,378.08x = 67,461,840,465.41 - Step 5: Solve for x
x = 67,461,840,465.41/217,378.08 - Step 6: Final answer
x = 310,343.34
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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.