Finding the Fourth Proportional to 377,471.25, 520,913.97 and 207,709.02
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Solution
The fourth proportional to 377,471.25, 520,913.97 and 207,709.02 is: 286,640.45
Step by Step Solution
- Step 1: Write the proportion equation
377,471.25 : 520,913.97 = 207,709.02 : x - Step 2: Convert to fraction form
377,471.25/520,913.97 = 207,709.02/x - Step 3: Cross multiply
377,471.25x = 520,913.97 × 207,709.02 - Step 4: Simplify right side
377,471.25x = 108,198,530,213.01 - Step 5: Solve for x
x = 108,198,530,213.01/377,471.25 - Step 6: Final answer
x = 286,640.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.