Finding the Fourth Proportional to 191,236.02, 263,901.96 and 106,351.26
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Solution
The fourth proportional to 191,236.02, 263,901.96 and 106,351.26 is: 146,762.65
Step by Step Solution
- Step 1: Write the proportion equation
191,236.02 : 263,901.96 = 106,351.26 : x - Step 2: Convert to fraction form
191,236.02/263,901.96 = 106,351.26/x - Step 3: Cross multiply
191,236.02x = 263,901.96 × 106,351.26 - Step 4: Simplify right side
191,236.02x = 28,066,305,962.47 - Step 5: Solve for x
x = 28,066,305,962.47/191,236.02 - Step 6: Final answer
x = 146,762.65
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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.