Finding the Fourth Proportional to 121,610.55, 182,369.34 and 58,413.09
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Solution
The fourth proportional to 121,610.55, 182,369.34 and 58,413.09 is: 87,597.31
Step by Step Solution
- Step 1: Write the proportion equation
121,610.55 : 182,369.34 = 58,413.09 : x - Step 2: Convert to fraction form
121,610.55/182,369.34 = 58,413.09/x - Step 3: Cross multiply
121,610.55x = 182,369.34 × 58,413.09 - Step 4: Simplify right side
121,610.55x = 10,652,756,670.66 - Step 5: Solve for x
x = 10,652,756,670.66/121,610.55 - Step 6: Final answer
x = 87,597.31
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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.