Finding the Fourth Proportional to 371,630.28, 512,847.52 and 201,862.92
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Solution
The fourth proportional to 371,630.28, 512,847.52 and 201,862.92 is: 278,569.60
Step by Step Solution
- Step 1: Write the proportion equation
371,630.28 : 512,847.52 = 201,862.92 : x - Step 2: Convert to fraction form
371,630.28/512,847.52 = 201,862.92/x - Step 3: Cross multiply
371,630.28x = 512,847.52 × 201,862.92 - Step 4: Simplify right side
371,630.28x = 103,524,897,901.96 - Step 5: Solve for x
x = 103,524,897,901.96/371,630.28 - Step 6: Final answer
x = 278,569.60
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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.