Finding the Fourth Proportional to 275,110.63, 379,668.33 and 154,246.06
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Solution
The fourth proportional to 275,110.63, 379,668.33 and 154,246.06 is: 212,868.34
Step by Step Solution
- Step 1: Write the proportion equation
275,110.63 : 379,668.33 = 154,246.06 : x - Step 2: Convert to fraction form
275,110.63/379,668.33 = 154,246.06/x - Step 3: Cross multiply
275,110.63x = 379,668.33 × 154,246.06 - Step 4: Simplify right side
275,110.63x = 58,562,344,194.65 - Step 5: Solve for x
x = 58,562,344,194.65/275,110.63 - Step 6: Final answer
x = 212,868.34
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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.