Finding the Fourth Proportional to 133,863.09, 200,794.80 and 40,368.84
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Solution
The fourth proportional to 133,863.09, 200,794.80 and 40,368.84 is: 60,553.31
Step by Step Solution
- Step 1: Write the proportion equation
133,863.09 : 200,794.80 = 40,368.84 : x - Step 2: Convert to fraction form
133,863.09/200,794.80 = 40,368.84/x - Step 3: Cross multiply
133,863.09x = 200,794.80 × 40,368.84 - Step 4: Simplify right side
133,863.09x = 8,105,853,154.03 - Step 5: Solve for x
x = 8,105,853,154.03/133,863.09 - Step 6: Final answer
x = 60,553.31
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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.