Finding the Fourth Proportional to 437,982.40, 656,781.60 and 201,246.40
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Solution
The fourth proportional to 437,982.40, 656,781.60 and 201,246.40 is: 301,781.38
Step by Step Solution
- Step 1: Write the proportion equation
437,982.40 : 656,781.60 = 201,246.40 : x - Step 2: Convert to fraction form
437,982.40/656,781.60 = 201,246.40/x - Step 3: Cross multiply
437,982.40x = 656,781.60 × 201,246.40 - Step 4: Simplify right side
437,982.40x = 132,174,932,586.24 - Step 5: Solve for x
x = 132,174,932,586.24/437,982.40 - Step 6: Final answer
x = 301,781.38
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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.