Finding the Fourth Proportional to 307,549.48, 424,418.34 and 173,413.48
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Solution
The fourth proportional to 307,549.48, 424,418.34 and 173,413.48 is: 239,310.63
Step by Step Solution
- Step 1: Write the proportion equation
307,549.48 : 424,418.34 = 173,413.48 : x - Step 2: Convert to fraction form
307,549.48/424,418.34 = 173,413.48/x - Step 3: Cross multiply
307,549.48x = 424,418.34 × 173,413.48 - Step 4: Simplify right side
307,549.48x = 73,599,861,315.22 - Step 5: Solve for x
x = 73,599,861,315.22/307,549.48 - Step 6: Final answer
x = 239,310.63
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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.