Finding the Fourth Proportional to 155,722.08, 214,896.38 and 84,102.06
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Solution
The fourth proportional to 155,722.08, 214,896.38 and 84,102.06 is: 116,060.79
Step by Step Solution
- Step 1: Write the proportion equation
155,722.08 : 214,896.38 = 84,102.06 : x - Step 2: Convert to fraction form
155,722.08/214,896.38 = 84,102.06/x - Step 3: Cross multiply
155,722.08x = 214,896.38 × 84,102.06 - Step 4: Simplify right side
155,722.08x = 18,073,228,244.54 - Step 5: Solve for x
x = 18,073,228,244.54/155,722.08 - Step 6: Final answer
x = 116,060.79
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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.