Finding the Fourth Proportional to 414,245.48, 621,475.14 and 189,498.56
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Solution
The fourth proportional to 414,245.48, 621,475.14 and 189,498.56 is: 284,296.75
Step by Step Solution
- Step 1: Write the proportion equation
414,245.48 : 621,475.14 = 189,498.56 : x - Step 2: Convert to fraction form
414,245.48/621,475.14 = 189,498.56/x - Step 3: Cross multiply
414,245.48x = 621,475.14 × 189,498.56 - Step 4: Simplify right side
414,245.48x = 117,768,644,105.80 - Step 5: Solve for x
x = 117,768,644,105.80/414,245.48 - Step 6: Final answer
x = 284,296.75
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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.