Finding the Fourth Proportional to 403,252.20, 605,072.70 and 284,668.20
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Solution
The fourth proportional to 403,252.20, 605,072.70 and 284,668.20 is: 427,139.53
Step by Step Solution
- Step 1: Write the proportion equation
403,252.20 : 605,072.70 = 284,668.20 : x - Step 2: Convert to fraction form
403,252.20/605,072.70 = 284,668.20/x - Step 3: Cross multiply
403,252.20x = 605,072.70 × 284,668.20 - Step 4: Simplify right side
403,252.20x = 172,244,956,378.14 - Step 5: Solve for x
x = 172,244,956,378.14/403,252.20 - Step 6: Final answer
x = 427,139.53
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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.