Finding the Fourth Proportional to 299,481.70, 448,566.45 and 260,115.70
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Solution
The fourth proportional to 299,481.70, 448,566.45 and 260,115.70 is: 389,603.69
Step by Step Solution
- Step 1: Write the proportion equation
299,481.70 : 448,566.45 = 260,115.70 : x - Step 2: Convert to fraction form
299,481.70/448,566.45 = 260,115.70/x - Step 3: Cross multiply
299,481.70x = 448,566.45 × 260,115.70 - Step 4: Simplify right side
299,481.70x = 116,679,176,138.27 - Step 5: Solve for x
x = 116,679,176,138.27/299,481.70 - Step 6: Final answer
x = 389,603.69
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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.