Finding the Fourth Proportional to 208,371.21, 287,552.00 and 112,878.29
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Solution
The fourth proportional to 208,371.21, 287,552.00 and 112,878.29 is: 155,771.88
Step by Step Solution
- Step 1: Write the proportion equation
208,371.21 : 287,552.00 = 112,878.29 : x - Step 2: Convert to fraction form
208,371.21/287,552.00 = 112,878.29/x - Step 3: Cross multiply
208,371.21x = 287,552.00 × 112,878.29 - Step 4: Simplify right side
208,371.21x = 32,458,376,043.93 - Step 5: Solve for x
x = 32,458,376,043.93/208,371.21 - Step 6: Final answer
x = 155,771.88
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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.