Finding the Fourth Proportional to 481,413.34, 664,373.22 and 290,422.63
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Solution
The fourth proportional to 481,413.34, 664,373.22 and 290,422.63 is: 400,796.99
Step by Step Solution
- Step 1: Write the proportion equation
481,413.34 : 664,373.22 = 290,422.63 : x - Step 2: Convert to fraction form
481,413.34/664,373.22 = 290,422.63/x - Step 3: Cross multiply
481,413.34x = 664,373.22 × 290,422.63 - Step 4: Simplify right side
481,413.34x = 192,949,014,532.10 - Step 5: Solve for x
x = 192,949,014,532.10/481,413.34 - Step 6: Final answer
x = 400,796.99
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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.