Finding the Fourth Proportional to 146,644.24, 219,949.08 and 115,488.40
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Solution
The fourth proportional to 146,644.24, 219,949.08 and 115,488.40 is: 173,218.99
Step by Step Solution
- Step 1: Write the proportion equation
146,644.24 : 219,949.08 = 115,488.40 : x - Step 2: Convert to fraction form
146,644.24/219,949.08 = 115,488.40/x - Step 3: Cross multiply
146,644.24x = 219,949.08 × 115,488.40 - Step 4: Simplify right side
146,644.24x = 25,401,567,330.67 - Step 5: Solve for x
x = 25,401,567,330.67/146,644.24 - Step 6: Final answer
x = 173,218.99
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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.