Finding the Fourth Proportional to 217,195.96, 325,844.97 and 67,428.58
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Solution
The fourth proportional to 217,195.96, 325,844.97 and 67,428.58 is: 101,158.71
Step by Step Solution
- Step 1: Write the proportion equation
217,195.96 : 325,844.97 = 67,428.58 : x - Step 2: Convert to fraction form
217,195.96/325,844.97 = 67,428.58/x - Step 3: Cross multiply
217,195.96x = 325,844.97 × 67,428.58 - Step 4: Simplify right side
217,195.96x = 21,971,263,627.24 - Step 5: Solve for x
x = 21,971,263,627.24/217,195.96 - Step 6: Final answer
x = 101,158.71
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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.