Finding the Fourth Proportional to 422,286.99, 633,430.49 and 106,743.89
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Solution
The fourth proportional to 422,286.99, 633,430.49 and 106,743.89 is: 160,115.84
Step by Step Solution
- Step 1: Write the proportion equation
422,286.99 : 633,430.49 = 106,743.89 : x - Step 2: Convert to fraction form
422,286.99/633,430.49 = 106,743.89/x - Step 3: Cross multiply
422,286.99x = 633,430.49 × 106,743.89 - Step 4: Simplify right side
422,286.99x = 67,614,835,597.06 - Step 5: Solve for x
x = 67,614,835,597.06/422,286.99 - Step 6: Final answer
x = 160,115.84
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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.