Finding the Fourth Proportional to 78,413.00, 108,206.41 and 44,420.79
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Solution
The fourth proportional to 78,413.00, 108,206.41 and 44,420.79 is: 61,298.69
Step by Step Solution
- Step 1: Write the proportion equation
78,413.00 : 108,206.41 = 44,420.79 : x - Step 2: Convert to fraction form
78,413.00/108,206.41 = 44,420.79/x - Step 3: Cross multiply
78,413.00x = 108,206.41 × 44,420.79 - Step 4: Simplify right side
78,413.00x = 4,806,613,859.68 - Step 5: Solve for x
x = 4,806,613,859.68/78,413.00 - Step 6: Final answer
x = 61,298.69
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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.