Finding the Fourth Proportional to 431,265.92, 646,183.68 and 262,275.08
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Solution
The fourth proportional to 431,265.92, 646,183.68 and 262,275.08 is: 392,977.67
Step by Step Solution
- Step 1: Write the proportion equation
431,265.92 : 646,183.68 = 262,275.08 : x - Step 2: Convert to fraction form
431,265.92/646,183.68 = 262,275.08/x - Step 3: Cross multiply
431,265.92x = 646,183.68 × 262,275.08 - Step 4: Simplify right side
431,265.92x = 169,477,876,366.69 - Step 5: Solve for x
x = 169,477,876,366.69/431,265.92 - Step 6: Final answer
x = 392,977.67
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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.