Finding the Fourth Proportional to 301,149.51, 451,121.99 and 181,140.19
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Solution
The fourth proportional to 301,149.51, 451,121.99 and 181,140.19 is: 271,348.02
Step by Step Solution
- Step 1: Write the proportion equation
301,149.51 : 451,121.99 = 181,140.19 : x - Step 2: Convert to fraction form
301,149.51/451,121.99 = 181,140.19/x - Step 3: Cross multiply
301,149.51x = 451,121.99 × 181,140.19 - Step 4: Simplify right side
301,149.51x = 81,716,320,948.27 - Step 5: Solve for x
x = 81,716,320,948.27/301,149.51 - Step 6: Final answer
x = 271,348.02
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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.