Finding the Fourth Proportional to 346,786.20, 520,193.70 and 110,122.20
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Solution
The fourth proportional to 346,786.20, 520,193.70 and 110,122.20 is: 165,187.87
Step by Step Solution
- Step 1: Write the proportion equation
346,786.20 : 520,193.70 = 110,122.20 : x - Step 2: Convert to fraction form
346,786.20/520,193.70 = 110,122.20/x - Step 3: Cross multiply
346,786.20x = 520,193.70 × 110,122.20 - Step 4: Simplify right side
346,786.20x = 57,284,874,670.14 - Step 5: Solve for x
x = 57,284,874,670.14/346,786.20 - Step 6: Final answer
x = 165,187.87
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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.