Finding the Fourth Proportional to 437,899.80, 656,849.70 and 201,703.80
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Solution
The fourth proportional to 437,899.80, 656,849.70 and 201,703.80 is: 302,555.70
Step by Step Solution
- Step 1: Write the proportion equation
437,899.80 : 656,849.70 = 201,703.80 : x - Step 2: Convert to fraction form
437,899.80/656,849.70 = 201,703.80/x - Step 3: Cross multiply
437,899.80x = 656,849.70 × 201,703.80 - Step 4: Simplify right side
437,899.80x = 132,489,080,518.86 - Step 5: Solve for x
x = 132,489,080,518.86/437,899.80 - Step 6: Final answer
x = 302,555.70
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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.