Finding the Fourth Proportional to 644,569.32, 966,766.50 and 189,148.44
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Solution
The fourth proportional to 644,569.32, 966,766.50 and 189,148.44 is: 283,696.99
Step by Step Solution
- Step 1: Write the proportion equation
644,569.32 : 966,766.50 = 189,148.44 : x - Step 2: Convert to fraction form
644,569.32/966,766.50 = 189,148.44/x - Step 3: Cross multiply
644,569.32x = 966,766.50 × 189,148.44 - Step 4: Simplify right side
644,569.32x = 182,862,375,319.26 - Step 5: Solve for x
x = 182,862,375,319.26/644,569.32 - Step 6: Final answer
x = 283,696.99
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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.