Finding the Fourth Proportional to 307,391.08, 424,234.02 and 180,174.28
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Solution
The fourth proportional to 307,391.08, 424,234.02 and 180,174.28 is: 248,660.63
Step by Step Solution
- Step 1: Write the proportion equation
307,391.08 : 424,234.02 = 180,174.28 : x - Step 2: Convert to fraction form
307,391.08/424,234.02 = 180,174.28/x - Step 3: Cross multiply
307,391.08x = 424,234.02 × 180,174.28 - Step 4: Simplify right side
307,391.08x = 76,436,059,105.01 - Step 5: Solve for x
x = 76,436,059,105.01/307,391.08 - Step 6: Final answer
x = 248,660.63
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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.