Finding the Fourth Proportional to 212,208.24, 292,849.34 and 115,413.02
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Solution
The fourth proportional to 212,208.24, 292,849.34 and 115,413.02 is: 159,271.03
Step by Step Solution
- Step 1: Write the proportion equation
212,208.24 : 292,849.34 = 115,413.02 : x - Step 2: Convert to fraction form
212,208.24/292,849.34 = 115,413.02/x - Step 3: Cross multiply
212,208.24x = 292,849.34 × 115,413.02 - Step 4: Simplify right side
212,208.24x = 33,798,624,693.10 - Step 5: Solve for x
x = 33,798,624,693.10/212,208.24 - Step 6: Final answer
x = 159,271.03
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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.