Finding the Fourth Proportional to 431,407.42, 595,344.23 and 250,226.62
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Solution
The fourth proportional to 431,407.42, 595,344.23 and 250,226.62 is: 345,313.89
Step by Step Solution
- Step 1: Write the proportion equation
431,407.42 : 595,344.23 = 250,226.62 : x - Step 2: Convert to fraction form
431,407.42/595,344.23 = 250,226.62/x - Step 3: Cross multiply
431,407.42x = 595,344.23 × 250,226.62 - Step 4: Simplify right side
431,407.42x = 148,970,972,608.26 - Step 5: Solve for x
x = 148,970,972,608.26/431,407.42 - Step 6: Final answer
x = 345,313.89
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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.