Finding the Fourth Proportional to 226,701.09, 312,812.87 and 136,037.25
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Solution
The fourth proportional to 226,701.09, 312,812.87 and 136,037.25 is: 187,710.62
Step by Step Solution
- Step 1: Write the proportion equation
226,701.09 : 312,812.87 = 136,037.25 : x - Step 2: Convert to fraction form
226,701.09/312,812.87 = 136,037.25/x - Step 3: Cross multiply
226,701.09x = 312,812.87 × 136,037.25 - Step 4: Simplify right side
226,701.09x = 42,554,201,919.22 - Step 5: Solve for x
x = 42,554,201,919.22/226,701.09 - Step 6: Final answer
x = 187,710.62
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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.