Finding the Fourth Proportional to 371,701.84, 512,947.20 and 201,934.48
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Solution
The fourth proportional to 371,701.84, 512,947.20 and 201,934.48 is: 278,668.85
Step by Step Solution
- Step 1: Write the proportion equation
371,701.84 : 512,947.20 = 201,934.48 : x - Step 2: Convert to fraction form
371,701.84/512,947.20 = 201,934.48/x - Step 3: Cross multiply
371,701.84x = 512,947.20 × 201,934.48 - Step 4: Simplify right side
371,701.84x = 103,581,726,099.46 - Step 5: Solve for x
x = 103,581,726,099.46/371,701.84 - Step 6: Final answer
x = 278,668.85
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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.