Finding the Fourth Proportional to 440,020.26, 607,227.84 and 238,816.26
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Solution
The fourth proportional to 440,020.26, 607,227.84 and 238,816.26 is: 329,566.37
Step by Step Solution
- Step 1: Write the proportion equation
440,020.26 : 607,227.84 = 238,816.26 : x - Step 2: Convert to fraction form
440,020.26/607,227.84 = 238,816.26/x - Step 3: Cross multiply
440,020.26x = 607,227.84 × 238,816.26 - Step 4: Simplify right side
440,020.26x = 145,015,881,716.68 - Step 5: Solve for x
x = 145,015,881,716.68/440,020.26 - Step 6: Final answer
x = 329,566.37
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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.