Finding the Fourth Proportional to 437,803.60, 656,195.10 and 201,170.20
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Solution
The fourth proportional to 437,803.60, 656,195.10 and 201,170.20 is: 301,520.82
Step by Step Solution
- Step 1: Write the proportion equation
437,803.60 : 656,195.10 = 201,170.20 : x - Step 2: Convert to fraction form
437,803.60/656,195.10 = 201,170.20/x - Step 3: Cross multiply
437,803.60x = 656,195.10 × 201,170.20 - Step 4: Simplify right side
437,803.60x = 132,006,899,506.02 - Step 5: Solve for x
x = 132,006,899,506.02/437,803.60 - Step 6: Final answer
x = 301,520.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.