Finding the Fourth Proportional to 644,629.96, 966,950.70 and 265,460.68
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Solution
The fourth proportional to 644,629.96, 966,950.70 and 265,460.68 is: 398,193.39
Step by Step Solution
- Step 1: Write the proportion equation
644,629.96 : 966,950.70 = 265,460.68 : x - Step 2: Convert to fraction form
644,629.96/966,950.70 = 265,460.68/x - Step 3: Cross multiply
644,629.96x = 966,950.70 × 265,460.68 - Step 4: Simplify right side
644,629.96x = 256,687,390,348.48 - Step 5: Solve for x
x = 256,687,390,348.48/644,629.96 - Step 6: Final answer
x = 398,193.39
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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.