Finding the Fourth Proportional to 356,259.20, 491,648.88 and 195,129.68
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Solution
The fourth proportional to 356,259.20, 491,648.88 and 195,129.68 is: 269,285.08
Step by Step Solution
- Step 1: Write the proportion equation
356,259.20 : 491,648.88 = 195,129.68 : x - Step 2: Convert to fraction form
356,259.20/491,648.88 = 195,129.68/x - Step 3: Cross multiply
356,259.20x = 491,648.88 × 195,129.68 - Step 4: Simplify right side
356,259.20x = 95,935,288,626.76 - Step 5: Solve for x
x = 95,935,288,626.76/356,259.20 - Step 6: Final answer
x = 269,285.08
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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.