Finding the Fourth Proportional to 287,894.00, 431,825.43 and 88,214.97
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Solution
The fourth proportional to 287,894.00, 431,825.43 and 88,214.97 is: 132,317.69
Step by Step Solution
- Step 1: Write the proportion equation
287,894.00 : 431,825.43 = 88,214.97 : x - Step 2: Convert to fraction form
287,894.00/431,825.43 = 88,214.97/x - Step 3: Cross multiply
287,894.00x = 431,825.43 × 88,214.97 - Step 4: Simplify right side
287,894.00x = 38,093,468,806.63 - Step 5: Solve for x
x = 38,093,468,806.63/287,894.00 - Step 6: Final answer
x = 132,317.69
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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.