Finding the Fourth Proportional to 464,315.76, 640,519.92 and 303,265.08
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Solution
The fourth proportional to 464,315.76, 640,519.92 and 303,265.08 is: 418,351.78
Step by Step Solution
- Step 1: Write the proportion equation
464,315.76 : 640,519.92 = 303,265.08 : x - Step 2: Convert to fraction form
464,315.76/640,519.92 = 303,265.08/x - Step 3: Cross multiply
464,315.76x = 640,519.92 × 303,265.08 - Step 4: Simplify right side
464,315.76x = 194,247,324,780.39 - Step 5: Solve for x
x = 194,247,324,780.39/464,315.76 - Step 6: Final answer
x = 418,351.78
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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.