Finding the Fourth Proportional to 371,263.20, 512,340.12 and 201,497.28
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Solution
The fourth proportional to 371,263.20, 512,340.12 and 201,497.28 is: 278,064.57
Step by Step Solution
- Step 1: Write the proportion equation
371,263.20 : 512,340.12 = 201,497.28 : x - Step 2: Convert to fraction form
371,263.20/512,340.12 = 201,497.28/x - Step 3: Cross multiply
371,263.20x = 512,340.12 × 201,497.28 - Step 4: Simplify right side
371,263.20x = 103,235,140,614.87 - Step 5: Solve for x
x = 103,235,140,614.87/371,263.20 - Step 6: Final answer
x = 278,064.57
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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.