Finding the Fourth Proportional to 982,243.12, 1,473,218.87 and 272,197.12
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Solution
The fourth proportional to 982,243.12, 1,473,218.87 and 272,197.12 is: 408,255.27
Step by Step Solution
- Step 1: Write the proportion equation
982,243.12 : 1,473,218.87 = 272,197.12 : x - Step 2: Convert to fraction form
982,243.12/1,473,218.87 = 272,197.12/x - Step 3: Cross multiply
982,243.12x = 1,473,218.87 × 272,197.12 - Step 4: Simplify right side
982,243.12x = 401,005,933,543.65 - Step 5: Solve for x
x = 401,005,933,543.65/982,243.12 - Step 6: Final answer
x = 408,255.27
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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.