Finding the Fourth Proportional to 256,592.12, 354,082.77 and 141,864.08
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Solution
The fourth proportional to 256,592.12, 354,082.77 and 141,864.08 is: 195,764.49
Step by Step Solution
- Step 1: Write the proportion equation
256,592.12 : 354,082.77 = 141,864.08 : x - Step 2: Convert to fraction form
256,592.12/354,082.77 = 141,864.08/x - Step 3: Cross multiply
256,592.12x = 354,082.77 × 141,864.08 - Step 4: Simplify right side
256,592.12x = 50,231,626,409.90 - Step 5: Solve for x
x = 50,231,626,409.90/256,592.12 - Step 6: Final answer
x = 195,764.49
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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.