Finding the Fourth Proportional to 231,273.02, 346,949.09 and 79,462.82
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Solution
The fourth proportional to 231,273.02, 346,949.09 and 79,462.82 is: 119,207.82
Step by Step Solution
- Step 1: Write the proportion equation
231,273.02 : 346,949.09 = 79,462.82 : x - Step 2: Convert to fraction form
231,273.02/346,949.09 = 79,462.82/x - Step 3: Cross multiply
231,273.02x = 346,949.09 × 79,462.82 - Step 4: Simplify right side
231,273.02x = 27,569,553,087.83 - Step 5: Solve for x
x = 27,569,553,087.83/231,273.02 - Step 6: Final answer
x = 119,207.82
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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.