Finding the Fourth Proportional to 256,595.85, 354,087.11 and 141,865.49
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Solution
The fourth proportional to 256,595.85, 354,087.11 and 141,865.49 is: 195,765.99
Step by Step Solution
- Step 1: Write the proportion equation
256,595.85 : 354,087.11 = 141,865.49 : x - Step 2: Convert to fraction form
256,595.85/354,087.11 = 141,865.49/x - Step 3: Cross multiply
256,595.85x = 354,087.11 × 141,865.49 - Step 4: Simplify right side
256,595.85x = 50,232,739,592.40 - Step 5: Solve for x
x = 50,232,739,592.40/256,595.85 - Step 6: Final answer
x = 195,765.99
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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.