Finding the Fourth Proportional to 284,034.99, 425,979.41 and 84,308.07
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Solution
The fourth proportional to 284,034.99, 425,979.41 and 84,308.07 is: 126,440.41
Step by Step Solution
- Step 1: Write the proportion equation
284,034.99 : 425,979.41 = 84,308.07 : x - Step 2: Convert to fraction form
284,034.99/425,979.41 = 84,308.07/x - Step 3: Cross multiply
284,034.99x = 425,979.41 × 84,308.07 - Step 4: Simplify right side
284,034.99x = 35,913,501,495.30 - Step 5: Solve for x
x = 35,913,501,495.30/284,034.99 - Step 6: Final answer
x = 126,440.41
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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.