Finding the Fourth Proportional to 478,161.99, 659,867.85 and 263,302.92
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Solution
The fourth proportional to 478,161.99, 659,867.85 and 263,302.92 is: 363,360.40
Step by Step Solution
- Step 1: Write the proportion equation
478,161.99 : 659,867.85 = 263,302.92 : x - Step 2: Convert to fraction form
478,161.99/659,867.85 = 263,302.92/x - Step 3: Cross multiply
478,161.99x = 659,867.85 × 263,302.92 - Step 4: Simplify right side
478,161.99x = 173,745,131,719.12 - Step 5: Solve for x
x = 173,745,131,719.12/478,161.99 - Step 6: Final answer
x = 363,360.40
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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.