Finding the Fourth Proportional to 371,628.28, 512,844.76 and 201,860.92
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Solution
The fourth proportional to 371,628.28, 512,844.76 and 201,860.92 is: 278,566.84
Step by Step Solution
- Step 1: Write the proportion equation
371,628.28 : 512,844.76 = 201,860.92 : x - Step 2: Convert to fraction form
371,628.28/512,844.76 = 201,860.92/x - Step 3: Cross multiply
371,628.28x = 512,844.76 × 201,860.92 - Step 4: Simplify right side
371,628.28x = 103,523,315,070.78 - Step 5: Solve for x
x = 103,523,315,070.78/371,628.28 - Step 6: Final answer
x = 278,566.84
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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.