Finding the Fourth Proportional to 363,427.29, 545,142.99 and 323,630.73
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Solution
The fourth proportional to 363,427.29, 545,142.99 and 323,630.73 is: 485,447.92
Step by Step Solution
- Step 1: Write the proportion equation
363,427.29 : 545,142.99 = 323,630.73 : x - Step 2: Convert to fraction form
363,427.29/545,142.99 = 323,630.73/x - Step 3: Cross multiply
363,427.29x = 545,142.99 × 323,630.73 - Step 4: Simplify right side
363,427.29x = 176,425,023,808.08 - Step 5: Solve for x
x = 176,425,023,808.08/363,427.29 - Step 6: Final answer
x = 485,447.92
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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.