Finding the Fourth Proportional to 378,484.97, 567,715.10 and 153,778.95
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Solution
The fourth proportional to 378,484.97, 567,715.10 and 153,778.95 is: 230,663.41
Step by Step Solution
- Step 1: Write the proportion equation
378,484.97 : 567,715.10 = 153,778.95 : x - Step 2: Convert to fraction form
378,484.97/567,715.10 = 153,778.95/x - Step 3: Cross multiply
378,484.97x = 567,715.10 × 153,778.95 - Step 4: Simplify right side
378,484.97x = 87,302,631,208.25 - Step 5: Solve for x
x = 87,302,631,208.25/378,484.97 - Step 6: Final answer
x = 230,663.41
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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.