Finding the Fourth Proportional to 644,175.36, 965,949.48 and 194,809.68
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Solution
The fourth proportional to 644,175.36, 965,949.48 and 194,809.68 is: 292,119.69
Step by Step Solution
- Step 1: Write the proportion equation
644,175.36 : 965,949.48 = 194,809.68 : x - Step 2: Convert to fraction form
644,175.36/965,949.48 = 194,809.68/x - Step 3: Cross multiply
644,175.36x = 965,949.48 × 194,809.68 - Step 4: Simplify right side
644,175.36x = 188,176,309,094.97 - Step 5: Solve for x
x = 188,176,309,094.97/644,175.36 - Step 6: Final answer
x = 292,119.69
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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.