Finding the Fourth Proportional to 274,491.92, 378,712.49 and 153,614.00
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Solution
The fourth proportional to 274,491.92, 378,712.49 and 153,614.00 is: 211,938.98
Step by Step Solution
- Step 1: Write the proportion equation
274,491.92 : 378,712.49 = 153,614.00 : x - Step 2: Convert to fraction form
274,491.92/378,712.49 = 153,614.00/x - Step 3: Cross multiply
274,491.92x = 378,712.49 × 153,614.00 - Step 4: Simplify right side
274,491.92x = 58,175,537,777.23 - Step 5: Solve for x
x = 58,175,537,777.23/274,491.92 - Step 6: Final answer
x = 211,938.98
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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.