Finding the Fourth Proportional to 133,164.99, 199,771.97 and 39,660.03
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Solution
The fourth proportional to 133,164.99, 199,771.97 and 39,660.03 is: 59,497.34
Step by Step Solution
- Step 1: Write the proportion equation
133,164.99 : 199,771.97 = 39,660.03 : x - Step 2: Convert to fraction form
133,164.99/199,771.97 = 39,660.03/x - Step 3: Cross multiply
133,164.99x = 199,771.97 × 39,660.03 - Step 4: Simplify right side
133,164.99x = 7,922,962,125.06 - Step 5: Solve for x
x = 7,922,962,125.06/133,164.99 - Step 6: Final answer
x = 59,497.34
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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.