Finding the Fourth Proportional to 328,832.02, 493,286.91 and 104,202.82
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Solution
The fourth proportional to 328,832.02, 493,286.91 and 104,202.82 is: 156,316.55
Step by Step Solution
- Step 1: Write the proportion equation
328,832.02 : 493,286.91 = 104,202.82 : x - Step 2: Convert to fraction form
328,832.02/493,286.91 = 104,202.82/x - Step 3: Cross multiply
328,832.02x = 493,286.91 × 104,202.82 - Step 4: Simplify right side
328,832.02x = 51,401,887,091.09 - Step 5: Solve for x
x = 51,401,887,091.09/328,832.02 - Step 6: Final answer
x = 156,316.55
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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.