Finding the Fourth Proportional to 437,417.75, 656,126.60 and 104,993.75
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Solution
The fourth proportional to 437,417.75, 656,126.60 and 104,993.75 is: 157,490.62
Step by Step Solution
- Step 1: Write the proportion equation
437,417.75 : 656,126.60 = 104,993.75 : x - Step 2: Convert to fraction form
437,417.75/656,126.60 = 104,993.75/x - Step 3: Cross multiply
437,417.75x = 656,126.60 × 104,993.75 - Step 4: Simplify right side
437,417.75x = 68,889,193,324.10 - Step 5: Solve for x
x = 68,889,193,324.10/437,417.75 - Step 6: Final answer
x = 157,490.62
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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.