Finding the Fourth Proportional to 155,221.13, 232,831.70 and 44,413.13
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Solution
The fourth proportional to 155,221.13, 232,831.70 and 44,413.13 is: 66,619.70
Step by Step Solution
- Step 1: Write the proportion equation
155,221.13 : 232,831.70 = 44,413.13 : x - Step 2: Convert to fraction form
155,221.13/232,831.70 = 44,413.13/x - Step 3: Cross multiply
155,221.13x = 232,831.70 × 44,413.13 - Step 4: Simplify right side
155,221.13x = 10,340,784,560.22 - Step 5: Solve for x
x = 10,340,784,560.22/155,221.13 - Step 6: Final answer
x = 66,619.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.