Finding the Fourth Proportional to 237,413.20, 356,119.80 and 71,201.20
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Solution
The fourth proportional to 237,413.20, 356,119.80 and 71,201.20 is: 106,801.80
Step by Step Solution
- Step 1: Write the proportion equation
237,413.20 : 356,119.80 = 71,201.20 : x - Step 2: Convert to fraction form
237,413.20/356,119.80 = 71,201.20/x - Step 3: Cross multiply
237,413.20x = 356,119.80 × 71,201.20 - Step 4: Simplify right side
237,413.20x = 25,356,157,103.76 - Step 5: Solve for x
x = 25,356,157,103.76/237,413.20 - Step 6: Final answer
x = 106,801.80
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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.