Finding the Fourth Proportional to 644,508.91, 966,812.57 and 195,266.99
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Solution
The fourth proportional to 644,508.91, 966,812.57 and 195,266.99 is: 292,915.39
Step by Step Solution
- Step 1: Write the proportion equation
644,508.91 : 966,812.57 = 195,266.99 : x - Step 2: Convert to fraction form
644,508.91/966,812.57 = 195,266.99/x - Step 3: Cross multiply
644,508.91x = 966,812.57 × 195,266.99 - Step 4: Simplify right side
644,508.91x = 188,786,580,438.06 - Step 5: Solve for x
x = 188,786,580,438.06/644,508.91 - Step 6: Final answer
x = 292,915.39
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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.