Finding the Fourth Proportional to 118,159.20, 177,237.36 and 29,413.44
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Solution
The fourth proportional to 118,159.20, 177,237.36 and 29,413.44 is: 44,119.80
Step by Step Solution
- Step 1: Write the proportion equation
118,159.20 : 177,237.36 = 29,413.44 : x - Step 2: Convert to fraction form
118,159.20/177,237.36 = 29,413.44/x - Step 3: Cross multiply
118,159.20x = 177,237.36 × 29,413.44 - Step 4: Simplify right side
118,159.20x = 5,213,160,454.12 - Step 5: Solve for x
x = 5,213,160,454.12/118,159.20 - Step 6: Final answer
x = 44,119.80
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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.