Finding the Fourth Proportional to 269,619.30, 372,071.04 and 148,765.68
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Solution
The fourth proportional to 269,619.30, 372,071.04 and 148,765.68 is: 205,294.66
Step by Step Solution
- Step 1: Write the proportion equation
269,619.30 : 372,071.04 = 148,765.68 : x - Step 2: Convert to fraction form
269,619.30/372,071.04 = 148,765.68/x - Step 3: Cross multiply
269,619.30x = 372,071.04 × 148,765.68 - Step 4: Simplify right side
269,619.30x = 55,351,401,273.91 - Step 5: Solve for x
x = 55,351,401,273.91/269,619.30 - Step 6: Final answer
x = 205,294.66
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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.