Finding the Fourth Proportional to 371,558.88, 512,752.14 and 201,789.36
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Solution
The fourth proportional to 371,558.88, 512,752.14 and 201,789.36 is: 278,469.80
Step by Step Solution
- Step 1: Write the proportion equation
371,558.88 : 512,752.14 = 201,789.36 : x - Step 2: Convert to fraction form
371,558.88/512,752.14 = 201,789.36/x - Step 3: Cross multiply
371,558.88x = 512,752.14 × 201,789.36 - Step 4: Simplify right side
371,558.88x = 103,467,926,169.23 - Step 5: Solve for x
x = 103,467,926,169.23/371,558.88 - Step 6: Final answer
x = 278,469.80
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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.