Finding the Fourth Proportional to 284,036.99, 425,982.40 and 84,310.07
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Solution
The fourth proportional to 284,036.99, 425,982.40 and 84,310.07 is: 126,443.41
Step by Step Solution
- Step 1: Write the proportion equation
284,036.99 : 425,982.40 = 84,310.07 : x - Step 2: Convert to fraction form
284,036.99/425,982.40 = 84,310.07/x - Step 3: Cross multiply
284,036.99x = 425,982.40 × 84,310.07 - Step 4: Simplify right side
284,036.99x = 35,914,605,962.77 - Step 5: Solve for x
x = 35,914,605,962.77/284,036.99 - Step 6: Final answer
x = 126,443.41
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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.