Finding the Fourth Proportional to 644,320.71, 966,514.41 and 164,552.99
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Solution
The fourth proportional to 644,320.71, 966,514.41 and 164,552.99 is: 246,837.99
Step by Step Solution
- Step 1: Write the proportion equation
644,320.71 : 966,514.41 = 164,552.99 : x - Step 2: Convert to fraction form
644,320.71/966,514.41 = 164,552.99/x - Step 3: Cross multiply
644,320.71x = 966,514.41 × 164,552.99 - Step 4: Simplify right side
644,320.71x = 159,042,831,211.01 - Step 5: Solve for x
x = 159,042,831,211.01/644,320.71 - Step 6: Final answer
x = 246,837.99
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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.