Finding the Fourth Proportional to 221,424.10, 332,136.15 and 219,455.80
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Solution
The fourth proportional to 221,424.10, 332,136.15 and 219,455.80 is: 329,183.70
Step by Step Solution
- Step 1: Write the proportion equation
221,424.10 : 332,136.15 = 219,455.80 : x - Step 2: Convert to fraction form
221,424.10/332,136.15 = 219,455.80/x - Step 3: Cross multiply
221,424.10x = 332,136.15 × 219,455.80 - Step 4: Simplify right side
221,424.10x = 72,889,204,507.17 - Step 5: Solve for x
x = 72,889,204,507.17/221,424.10 - Step 6: Final answer
x = 329,183.70
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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.