Finding the Fourth Proportional to 674,092.48, 930,241.92 and 372,280
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Solution
The fourth proportional to 674,092.48, 930,241.92 and 372,280 is: 513,743.25
Step by Step Solution
- Step 1: Write the proportion equation
674,092.48 : 930,241.92 = 372,280 : x - Step 2: Convert to fraction form
674,092.48/930,241.92 = 372,280/x - Step 3: Cross multiply
674,092.48x = 930,241.92 × 372,280 - Step 4: Simplify right side
674,092.48x = 346,310,461,977.60 - Step 5: Solve for x
x = 346,310,461,977.60/674,092.48 - Step 6: Final answer
x = 513,743.25
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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.