Finding the Fourth Proportional to 149,882.99, 206,450.48 and 104,479.79
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Solution
The fourth proportional to 149,882.99, 206,450.48 and 104,479.79 is: 143,911.61
Step by Step Solution
- Step 1: Write the proportion equation
149,882.99 : 206,450.48 = 104,479.79 : x - Step 2: Convert to fraction form
149,882.99/206,450.48 = 104,479.79/x - Step 3: Cross multiply
149,882.99x = 206,450.48 × 104,479.79 - Step 4: Simplify right side
149,882.99x = 21,569,902,273.40 - Step 5: Solve for x
x = 21,569,902,273.40/149,882.99 - Step 6: Final answer
x = 143,911.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.