Finding the Fourth Proportional to 276,899.06, 382,120.91 and 149,574.66
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Solution
The fourth proportional to 276,899.06, 382,120.91 and 149,574.66 is: 206,413.14
Step by Step Solution
- Step 1: Write the proportion equation
276,899.06 : 382,120.91 = 149,574.66 : x - Step 2: Convert to fraction form
276,899.06/382,120.91 = 149,574.66/x - Step 3: Cross multiply
276,899.06x = 382,120.91 × 149,574.66 - Step 4: Simplify right side
276,899.06x = 57,155,603,572.22 - Step 5: Solve for x
x = 57,155,603,572.22/276,899.06 - Step 6: Final answer
x = 206,413.14
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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.