Finding the Fourth Proportional to 349,842.80, 483,011.20 and 269,121.44
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Solution
The fourth proportional to 349,842.80, 483,011.20 and 269,121.44 is: 371,563.08
Step by Step Solution
- Step 1: Write the proportion equation
349,842.80 : 483,011.20 = 269,121.44 : x - Step 2: Convert to fraction form
349,842.80/483,011.20 = 269,121.44/x - Step 3: Cross multiply
349,842.80x = 483,011.20 × 269,121.44 - Step 4: Simplify right side
349,842.80x = 129,988,669,680.13 - Step 5: Solve for x
x = 129,988,669,680.13/349,842.80 - Step 6: Final answer
x = 371,563.08
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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.