Finding the Fourth Proportional to 236,122.28, 325,839.24 and 128,690.00
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Solution
The fourth proportional to 236,122.28, 325,839.24 and 128,690.00 is: 177,587.02
Step by Step Solution
- Step 1: Write the proportion equation
236,122.28 : 325,839.24 = 128,690.00 : x - Step 2: Convert to fraction form
236,122.28/325,839.24 = 128,690.00/x - Step 3: Cross multiply
236,122.28x = 325,839.24 × 128,690.00 - Step 4: Simplify right side
236,122.28x = 41,932,250,166.40 - Step 5: Solve for x
x = 41,932,250,166.40/236,122.28 - Step 6: Final answer
x = 177,587.02
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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.