Finding the Fourth Proportional to 205,067.36, 307,413.12 and 71,875.01
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Solution
The fourth proportional to 205,067.36, 307,413.12 and 71,875.01 is: 107,746.65
Step by Step Solution
- Step 1: Write the proportion equation
205,067.36 : 307,413.12 = 71,875.01 : x - Step 2: Convert to fraction form
205,067.36/307,413.12 = 71,875.01/x - Step 3: Cross multiply
205,067.36x = 307,413.12 × 71,875.01 - Step 4: Simplify right side
205,067.36x = 22,095,321,074.13 - Step 5: Solve for x
x = 22,095,321,074.13/205,067.36 - Step 6: Final answer
x = 107,746.65
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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.