Finding the Fourth Proportional to 157,690.80, 236,452.97 and 68,840.28
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Solution
The fourth proportional to 157,690.80, 236,452.97 and 68,840.28 is: 103,224.09
Step by Step Solution
- Step 1: Write the proportion equation
157,690.80 : 236,452.97 = 68,840.28 : x - Step 2: Convert to fraction form
157,690.80/236,452.97 = 68,840.28/x - Step 3: Cross multiply
157,690.80x = 236,452.97 × 68,840.28 - Step 4: Simplify right side
157,690.80x = 16,277,488,833.73 - Step 5: Solve for x
x = 16,277,488,833.73/157,690.80 - Step 6: Final answer
x = 103,224.09
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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.