Finding the Fourth Proportional to 201,734.12, 302,641.28 and 68,578.62
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Solution
The fourth proportional to 201,734.12, 302,641.28 and 68,578.62 is: 102,881.56
Step by Step Solution
- Step 1: Write the proportion equation
201,734.12 : 302,641.28 = 68,578.62 : x - Step 2: Convert to fraction form
201,734.12/302,641.28 = 68,578.62/x - Step 3: Cross multiply
201,734.12x = 302,641.28 × 68,578.62 - Step 4: Simplify right side
201,734.12x = 20,754,721,337.43 - Step 5: Solve for x
x = 20,754,721,337.43/201,734.12 - Step 6: Final answer
x = 102,881.56
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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.