Finding the Fourth Proportional to 150,518.26, 207,713.32 and 86,854.69
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Solution
The fourth proportional to 150,518.26, 207,713.32 and 86,854.69 is: 119,858.39
Step by Step Solution
- Step 1: Write the proportion equation
150,518.26 : 207,713.32 = 86,854.69 : x - Step 2: Convert to fraction form
150,518.26/207,713.32 = 86,854.69/x - Step 3: Cross multiply
150,518.26x = 207,713.32 × 86,854.69 - Step 4: Simplify right side
150,518.26x = 18,040,876,017.47 - Step 5: Solve for x
x = 18,040,876,017.47/150,518.26 - Step 6: Final answer
x = 119,858.39
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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.