Finding the Fourth Proportional to 359,049.35, 538,455.45 and 119,108.09
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Solution
The fourth proportional to 359,049.35, 538,455.45 and 119,108.09 is: 178,622.80
Step by Step Solution
- Step 1: Write the proportion equation
359,049.35 : 538,455.45 = 119,108.09 : x - Step 2: Convert to fraction form
359,049.35/538,455.45 = 119,108.09/x - Step 3: Cross multiply
359,049.35x = 538,455.45 × 119,108.09 - Step 4: Simplify right side
359,049.35x = 64,134,401,992.38 - Step 5: Solve for x
x = 64,134,401,992.38/359,049.35 - Step 6: Final answer
x = 178,622.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.