Finding the Fourth Proportional to 372,183.48, 513,394.07 and 234,142.47
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Solution
The fourth proportional to 372,183.48, 513,394.07 and 234,142.47 is: 322,978.75
Step by Step Solution
- Step 1: Write the proportion equation
372,183.48 : 513,394.07 = 234,142.47 : x - Step 2: Convert to fraction form
372,183.48/513,394.07 = 234,142.47/x - Step 3: Cross multiply
372,183.48x = 513,394.07 × 234,142.47 - Step 4: Simplify right side
372,183.48x = 120,207,354,462.44 - Step 5: Solve for x
x = 120,207,354,462.44/372,183.48 - Step 6: Final answer
x = 322,978.75
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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.