Finding the Fourth Proportional to 274,349.04, 378,731.12 and 206,391.95
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Solution
The fourth proportional to 274,349.04, 378,731.12 and 206,391.95 is: 284,918.27
Step by Step Solution
- Step 1: Write the proportion equation
274,349.04 : 378,731.12 = 206,391.95 : x - Step 2: Convert to fraction form
274,349.04/378,731.12 = 206,391.95/x - Step 3: Cross multiply
274,349.04x = 378,731.12 × 206,391.95 - Step 4: Simplify right side
274,349.04x = 78,167,052,877.11 - Step 5: Solve for x
x = 78,167,052,877.11/274,349.04 - Step 6: Final answer
x = 284,918.27
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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.