Finding the Fourth Proportional to 269,722.19, 372,214.79 and 148,863.48
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Solution
The fourth proportional to 269,722.19, 372,214.79 and 148,863.48 is: 205,430.59
Step by Step Solution
- Step 1: Write the proportion equation
269,722.19 : 372,214.79 = 148,863.48 : x - Step 2: Convert to fraction form
269,722.19/372,214.79 = 148,863.48/x - Step 3: Cross multiply
269,722.19x = 372,214.79 × 148,863.48 - Step 4: Simplify right side
269,722.19x = 55,409,188,900.24 - Step 5: Solve for x
x = 55,409,188,900.24/269,722.19 - Step 6: Final answer
x = 205,430.59
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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.