Finding the Fourth Proportional to 234,211.68, 323,217.99 and 143,617.59
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Solution
The fourth proportional to 234,211.68, 323,217.99 and 143,617.59 is: 198,195.87
Step by Step Solution
- Step 1: Write the proportion equation
234,211.68 : 323,217.99 = 143,617.59 : x - Step 2: Convert to fraction form
234,211.68/323,217.99 = 143,617.59/x - Step 3: Cross multiply
234,211.68x = 323,217.99 × 143,617.59 - Step 4: Simplify right side
234,211.68x = 46,419,788,768.44 - Step 5: Solve for x
x = 46,419,788,768.44/234,211.68 - Step 6: Final answer
x = 198,195.87
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.