Finding the Fourth Proportional to 146,614.08, 202,256.16 and 86,955.84
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Solution
The fourth proportional to 146,614.08, 202,256.16 and 86,955.84 is: 119,956.79
Step by Step Solution
- Step 1: Write the proportion equation
146,614.08 : 202,256.16 = 86,955.84 : x - Step 2: Convert to fraction form
146,614.08/202,256.16 = 86,955.84/x - Step 3: Cross multiply
146,614.08x = 202,256.16 × 86,955.84 - Step 4: Simplify right side
146,614.08x = 17,587,354,287.97 - Step 5: Solve for x
x = 17,587,354,287.97/146,614.08 - Step 6: Final answer
x = 119,956.79
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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.