Finding the Fourth Proportional to 548,811.23, 823,216.86 and 361,778.99
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Solution
The fourth proportional to 548,811.23, 823,216.86 and 361,778.99 is: 542,668.49
Step by Step Solution
- Step 1: Write the proportion equation
548,811.23 : 823,216.86 = 361,778.99 : x - Step 2: Convert to fraction form
548,811.23/823,216.86 = 361,778.99/x - Step 3: Cross multiply
548,811.23x = 823,216.86 × 361,778.99 - Step 4: Simplify right side
548,811.23x = 297,822,560,045.69 - Step 5: Solve for x
x = 297,822,560,045.69/548,811.23 - Step 6: Final answer
x = 542,668.49
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Similar ratio
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1.5x scale
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.