Finding the Fourth Proportional to 133,226.30, 183,850.10 and 72,795.65
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Solution
The fourth proportional to 133,226.30, 183,850.10 and 72,795.65 is: 100,456.79
Step by Step Solution
- Step 1: Write the proportion equation
133,226.30 : 183,850.10 = 72,795.65 : x - Step 2: Convert to fraction form
133,226.30/183,850.10 = 72,795.65/x - Step 3: Cross multiply
133,226.30x = 183,850.10 × 72,795.65 - Step 4: Simplify right side
133,226.30x = 13,383,486,931.30 - Step 5: Solve for x
x = 13,383,486,931.30/133,226.30 - Step 6: Final answer
x = 100,456.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.