Finding the Fourth Proportional to 285,747.11, 428,691.93 and 201,671.49
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Solution
The fourth proportional to 285,747.11, 428,691.93 and 201,671.49 is: 302,557.54
Step by Step Solution
- Step 1: Write the proportion equation
285,747.11 : 428,691.93 = 201,671.49 : x - Step 2: Convert to fraction form
285,747.11/428,691.93 = 201,671.49/x - Step 3: Cross multiply
285,747.11x = 428,691.93 × 201,671.49 - Step 4: Simplify right side
285,747.11x = 86,454,940,274.08 - Step 5: Solve for x
x = 86,454,940,274.08/285,747.11 - Step 6: Final answer
x = 302,557.54
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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.