Finding the Fourth Proportional to 274,192.92, 378,370.53 and 151,677.99
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Solution
The fourth proportional to 274,192.92, 378,370.53 and 151,677.99 is: 209,306.94
Step by Step Solution
- Step 1: Write the proportion equation
274,192.92 : 378,370.53 = 151,677.99 : x - Step 2: Convert to fraction form
274,192.92/378,370.53 = 151,677.99/x - Step 3: Cross multiply
274,192.92x = 378,370.53 × 151,677.99 - Step 4: Simplify right side
274,192.92x = 57,390,481,465.63 - Step 5: Solve for x
x = 57,390,481,465.63/274,192.92 - Step 6: Final answer
x = 209,306.94
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1.5x scale
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.