Finding the Fourth Proportional to 371,423.72, 512,568.42 and 201,659.24
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Solution
The fourth proportional to 371,423.72, 512,568.42 and 201,659.24 is: 278,291.75
Step by Step Solution
- Step 1: Write the proportion equation
371,423.72 : 512,568.42 = 201,659.24 : x - Step 2: Convert to fraction form
371,423.72/512,568.42 = 201,659.24/x - Step 3: Cross multiply
371,423.72x = 512,568.42 × 201,659.24 - Step 4: Simplify right side
371,423.72x = 103,364,158,025.20 - Step 5: Solve for x
x = 103,364,158,025.20/371,423.72 - Step 6: Final answer
x = 278,291.75
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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.