Finding the Fourth Proportional to 480,832.20, 721,313.10 and 165,385.80
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Solution
The fourth proportional to 480,832.20, 721,313.10 and 165,385.80 is: 248,100.99
Step by Step Solution
- Step 1: Write the proportion equation
480,832.20 : 721,313.10 = 165,385.80 : x - Step 2: Convert to fraction form
480,832.20/721,313.10 = 165,385.80/x - Step 3: Cross multiply
480,832.20x = 721,313.10 × 165,385.80 - Step 4: Simplify right side
480,832.20x = 119,294,944,093.98 - Step 5: Solve for x
x = 119,294,944,093.98/480,832.20 - Step 6: Final answer
x = 248,100.99
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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.