Finding the Fourth Proportional to 274,229.92, 378,421.50 and 151,715.08
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Solution
The fourth proportional to 274,229.92, 378,421.50 and 151,715.08 is: 209,358.07
Step by Step Solution
- Step 1: Write the proportion equation
274,229.92 : 378,421.50 = 151,715.08 : x - Step 2: Convert to fraction form
274,229.92/378,421.50 = 151,715.08/x - Step 3: Cross multiply
274,229.92x = 378,421.50 × 151,715.08 - Step 4: Simplify right side
274,229.92x = 57,412,248,146.22 - Step 5: Solve for x
x = 57,412,248,146.22/274,229.92 - Step 6: Final answer
x = 209,358.07
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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.