Finding the Fourth Proportional to 371,591.28, 512,793.72 and 201,823.92
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Solution
The fourth proportional to 371,591.28, 512,793.72 and 201,823.92 is: 278,515.79
Step by Step Solution
- Step 1: Write the proportion equation
371,591.28 : 512,793.72 = 201,823.92 : x - Step 2: Convert to fraction form
371,591.28/512,793.72 = 201,823.92/x - Step 3: Cross multiply
371,591.28x = 512,793.72 × 201,823.92 - Step 4: Simplify right side
371,591.28x = 103,494,038,721.78 - Step 5: Solve for x
x = 103,494,038,721.78/371,591.28 - Step 6: Final answer
x = 278,515.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.