Finding the Fourth Proportional to 284,058.57, 392,198.99 and 176,676.87
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Solution
The fourth proportional to 284,058.57, 392,198.99 and 176,676.87 is: 243,937.33
Step by Step Solution
- Step 1: Write the proportion equation
284,058.57 : 392,198.99 = 176,676.87 : x - Step 2: Convert to fraction form
284,058.57/392,198.99 = 176,676.87/x - Step 3: Cross multiply
284,058.57x = 392,198.99 × 176,676.87 - Step 4: Simplify right side
284,058.57x = 69,292,489,086.98 - Step 5: Solve for x
x = 69,292,489,086.98/284,058.57 - Step 6: Final answer
x = 243,937.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.