Finding the Fourth Proportional to 155,480.08, 232,787.01 and 79,413.90
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Solution
The fourth proportional to 155,480.08, 232,787.01 and 79,413.90 is: 118,899.63
Step by Step Solution
- Step 1: Write the proportion equation
155,480.08 : 232,787.01 = 79,413.90 : x - Step 2: Convert to fraction form
155,480.08/232,787.01 = 79,413.90/x - Step 3: Cross multiply
155,480.08x = 232,787.01 × 79,413.90 - Step 4: Simplify right side
155,480.08x = 18,486,524,333.44 - Step 5: Solve for x
x = 18,486,524,333.44/155,480.08 - Step 6: Final answer
x = 118,899.63
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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.