Finding the Fourth Proportional to 354,721.14, 488,683.44 and 247,096.44
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Solution
The fourth proportional to 354,721.14, 488,683.44 and 247,096.44 is: 340,413.70
Step by Step Solution
- Step 1: Write the proportion equation
354,721.14 : 488,683.44 = 247,096.44 : x - Step 2: Convert to fraction form
354,721.14/488,683.44 = 247,096.44/x - Step 3: Cross multiply
354,721.14x = 488,683.44 × 247,096.44 - Step 4: Simplify right side
354,721.14x = 120,751,938,297.18 - Step 5: Solve for x
x = 120,751,938,297.18/354,721.14 - Step 6: Final answer
x = 340,413.70
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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.