Finding the Fourth Proportional to 133,039.40, 199,850.70 and 98,202.92
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Solution
The fourth proportional to 133,039.40, 199,850.70 and 98,202.92 is: 147,519.62
Step by Step Solution
- Step 1: Write the proportion equation
133,039.40 : 199,850.70 = 98,202.92 : x - Step 2: Convert to fraction form
133,039.40/199,850.70 = 98,202.92/x - Step 3: Cross multiply
133,039.40x = 199,850.70 × 98,202.92 - Step 4: Simplify right side
133,039.40x = 19,625,922,304.04 - Step 5: Solve for x
x = 19,625,922,304.04/133,039.40 - Step 6: Final answer
x = 147,519.62
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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.