Finding the Fourth Proportional to 234,413.84, 323,491.97 and 126,983.62
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Solution
The fourth proportional to 234,413.84, 323,491.97 and 126,983.62 is: 175,237.87
Step by Step Solution
- Step 1: Write the proportion equation
234,413.84 : 323,491.97 = 126,983.62 : x - Step 2: Convert to fraction form
234,413.84/323,491.97 = 126,983.62/x - Step 3: Cross multiply
234,413.84x = 323,491.97 × 126,983.62 - Step 4: Simplify right side
234,413.84x = 41,078,181,391.53 - Step 5: Solve for x
x = 41,078,181,391.53/234,413.84 - Step 6: Final answer
x = 175,237.87
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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.