Finding the Fourth Proportional to 217,113.36, 325,690.68 and 67,355.28
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Solution
The fourth proportional to 217,113.36, 325,690.68 and 67,355.28 is: 101,039.32
Step by Step Solution
- Step 1: Write the proportion equation
217,113.36 : 325,690.68 = 67,355.28 : x - Step 2: Convert to fraction form
217,113.36/325,690.68 = 67,355.28/x - Step 3: Cross multiply
217,113.36x = 325,690.68 × 67,355.28 - Step 4: Simplify right side
217,113.36x = 21,936,986,944.79 - Step 5: Solve for x
x = 21,936,986,944.79/217,113.36 - Step 6: Final answer
x = 101,039.32
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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.