Finding the Fourth Proportional to 327,114.90, 490,672.35 and 201,143.70
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Solution
The fourth proportional to 327,114.90, 490,672.35 and 201,143.70 is: 301,715.55
Step by Step Solution
- Step 1: Write the proportion equation
327,114.90 : 490,672.35 = 201,143.70 : x - Step 2: Convert to fraction form
327,114.90/490,672.35 = 201,143.70/x - Step 3: Cross multiply
327,114.90x = 490,672.35 × 201,143.70 - Step 4: Simplify right side
327,114.90x = 98,695,651,966.70 - Step 5: Solve for x
x = 98,695,651,966.70/327,114.90 - Step 6: Final answer
x = 301,715.55
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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.