Finding the Fourth Proportional to 207,699.29, 286,625.28 and 112,205.99
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Solution
The fourth proportional to 207,699.29, 286,625.28 and 112,205.99 is: 154,844.41
Step by Step Solution
- Step 1: Write the proportion equation
207,699.29 : 286,625.28 = 112,205.99 : x - Step 2: Convert to fraction form
207,699.29/286,625.28 = 112,205.99/x - Step 3: Cross multiply
207,699.29x = 286,625.28 × 112,205.99 - Step 4: Simplify right side
207,699.29x = 32,161,074,438.76 - Step 5: Solve for x
x = 32,161,074,438.76/207,699.29 - Step 6: Final answer
x = 154,844.41
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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.