Finding the Fourth Proportional to 336,215.36, 504,396.84 and 99,576.56
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Solution
The fourth proportional to 336,215.36, 504,396.84 and 99,576.56 is: 149,386.70
Step by Step Solution
- Step 1: Write the proportion equation
336,215.36 : 504,396.84 = 99,576.56 : x - Step 2: Convert to fraction form
336,215.36/504,396.84 = 99,576.56/x - Step 3: Cross multiply
336,215.36x = 504,396.84 × 99,576.56 - Step 4: Simplify right side
336,215.36x = 50,226,102,202.07 - Step 5: Solve for x
x = 50,226,102,202.07/336,215.36 - Step 6: Final answer
x = 149,386.70
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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.