Finding the Fourth Proportional to 226,781.71, 340,382.75 and 114,540.75
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Solution
The fourth proportional to 226,781.71, 340,382.75 and 114,540.75 is: 171,917.28
Step by Step Solution
- Step 1: Write the proportion equation
226,781.71 : 340,382.75 = 114,540.75 : x - Step 2: Convert to fraction form
226,781.71/340,382.75 = 114,540.75/x - Step 3: Cross multiply
226,781.71x = 340,382.75 × 114,540.75 - Step 4: Simplify right side
226,781.71x = 38,987,695,472.06 - Step 5: Solve for x
x = 38,987,695,472.06/226,781.71 - Step 6: Final answer
x = 171,917.28
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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.