Finding the Fourth Proportional to 437,239.80, 655,859.70 and 201,043.80
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Solution
The fourth proportional to 437,239.80, 655,859.70 and 201,043.80 is: 301,565.70
Step by Step Solution
- Step 1: Write the proportion equation
437,239.80 : 655,859.70 = 201,043.80 : x - Step 2: Convert to fraction form
437,239.80/655,859.70 = 201,043.80/x - Step 3: Cross multiply
437,239.80x = 655,859.70 × 201,043.80 - Step 4: Simplify right side
437,239.80x = 131,856,526,354.86 - Step 5: Solve for x
x = 131,856,526,354.86/437,239.80 - Step 6: Final answer
x = 301,565.70
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1.5x scale
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.