Finding the Fourth Proportional to 310,938.25, 465,659.96 and 177,413.70
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Solution
The fourth proportional to 310,938.25, 465,659.96 and 177,413.70 is: 265,694.09
Step by Step Solution
- Step 1: Write the proportion equation
310,938.25 : 465,659.96 = 177,413.70 : x - Step 2: Convert to fraction form
310,938.25/465,659.96 = 177,413.70/x - Step 3: Cross multiply
310,938.25x = 465,659.96 × 177,413.70 - Step 4: Simplify right side
310,938.25x = 82,614,456,445.45 - Step 5: Solve for x
x = 82,614,456,445.45/310,938.25 - Step 6: Final answer
x = 265,694.09
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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.