Finding the Fourth Proportional to 235,837.97, 325,462.23 and 128,413.88
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Solution
The fourth proportional to 235,837.97, 325,462.23 and 128,413.88 is: 177,214.33
Step by Step Solution
- Step 1: Write the proportion equation
235,837.97 : 325,462.23 = 128,413.88 : x - Step 2: Convert to fraction form
235,837.97/325,462.23 = 128,413.88/x - Step 3: Cross multiply
235,837.97x = 325,462.23 × 128,413.88 - Step 4: Simplify right side
235,837.97x = 41,793,867,747.75 - Step 5: Solve for x
x = 41,793,867,747.75/235,837.97 - Step 6: Final answer
x = 177,214.33
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1.5x scale
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.