Finding the Fourth Proportional to 307,549.70, 461,324.55 and 141,337.70
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Solution
The fourth proportional to 307,549.70, 461,324.55 and 141,337.70 is: 212,006.55
Step by Step Solution
- Step 1: Write the proportion equation
307,549.70 : 461,324.55 = 141,337.70 : x - Step 2: Convert to fraction form
307,549.70/461,324.55 = 141,337.70/x - Step 3: Cross multiply
307,549.70x = 461,324.55 × 141,337.70 - Step 4: Simplify right side
307,549.70x = 65,202,550,850.54 - Step 5: Solve for x
x = 65,202,550,850.54/307,549.70 - Step 6: Final answer
x = 212,006.55
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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.