Finding the Fourth Proportional to 319,534.20, 479,301.30 and 201,727.80
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Solution
The fourth proportional to 319,534.20, 479,301.30 and 201,727.80 is: 302,591.70
Step by Step Solution
- Step 1: Write the proportion equation
319,534.20 : 479,301.30 = 201,727.80 : x - Step 2: Convert to fraction form
319,534.20/479,301.30 = 201,727.80/x - Step 3: Cross multiply
319,534.20x = 479,301.30 × 201,727.80 - Step 4: Simplify right side
319,534.20x = 96,688,396,786.14 - Step 5: Solve for x
x = 96,688,396,786.14/319,534.20 - Step 6: Final answer
x = 302,591.70
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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.