Finding the Fourth Proportional to 216,090.48, 324,187.56 and 82,971.84
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Solution
The fourth proportional to 216,090.48, 324,187.56 and 82,971.84 is: 124,477.66
Step by Step Solution
- Step 1: Write the proportion equation
216,090.48 : 324,187.56 = 82,971.84 : x - Step 2: Convert to fraction form
216,090.48/324,187.56 = 82,971.84/x - Step 3: Cross multiply
216,090.48x = 324,187.56 × 82,971.84 - Step 4: Simplify right side
216,090.48x = 26,898,438,358.31 - Step 5: Solve for x
x = 26,898,438,358.31/216,090.48 - Step 6: Final answer
x = 124,477.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.