Finding the Fourth Proportional to 696,131.99, 1,044,198.89 and 190,697.41
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Solution
The fourth proportional to 696,131.99, 1,044,198.89 and 190,697.41 is: 286,046.36
Step by Step Solution
- Step 1: Write the proportion equation
696,131.99 : 1,044,198.89 = 190,697.41 : x - Step 2: Convert to fraction form
696,131.99/1,044,198.89 = 190,697.41/x - Step 3: Cross multiply
696,131.99x = 1,044,198.89 × 190,697.41 - Step 4: Simplify right side
696,131.99x = 199,126,021,237.38 - Step 5: Solve for x
x = 199,126,021,237.38/696,131.99 - Step 6: Final answer
x = 286,046.36
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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.