Finding the Fourth Proportional to 422,476.38, 633,818.43 and 122,959.62
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Solution
The fourth proportional to 422,476.38, 633,818.43 and 122,959.62 is: 184,469.66
Step by Step Solution
- Step 1: Write the proportion equation
422,476.38 : 633,818.43 = 122,959.62 : x - Step 2: Convert to fraction form
422,476.38/633,818.43 = 122,959.62/x - Step 3: Cross multiply
422,476.38x = 633,818.43 × 122,959.62 - Step 4: Simplify right side
422,476.38x = 77,934,073,301.80 - Step 5: Solve for x
x = 77,934,073,301.80/422,476.38 - Step 6: Final answer
x = 184,469.66
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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.