Finding the Fourth Proportional to 299,528.81, 413,351.79 and 163,563.74
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Solution
The fourth proportional to 299,528.81, 413,351.79 and 163,563.74 is: 225,719.07
Step by Step Solution
- Step 1: Write the proportion equation
299,528.81 : 413,351.79 = 163,563.74 : x - Step 2: Convert to fraction form
299,528.81/413,351.79 = 163,563.74/x - Step 3: Cross multiply
299,528.81x = 413,351.79 × 163,563.74 - Step 4: Simplify right side
299,528.81x = 67,609,364,708.09 - Step 5: Solve for x
x = 67,609,364,708.09/299,528.81 - Step 6: Final answer
x = 225,719.07
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1.5x scale
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.