Finding the Fourth Proportional to 81,502.86, 122,241.17 and 22,324.70
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Solution
The fourth proportional to 81,502.86, 122,241.17 and 22,324.70 is: 33,483.45
Step by Step Solution
- Step 1: Write the proportion equation
81,502.86 : 122,241.17 = 22,324.70 : x - Step 2: Convert to fraction form
81,502.86/122,241.17 = 22,324.70/x - Step 3: Cross multiply
81,502.86x = 122,241.17 × 22,324.70 - Step 4: Simplify right side
81,502.86x = 2,728,996,996.13 - Step 5: Solve for x
x = 2,728,996,996.13/81,502.86 - Step 6: Final answer
x = 33,483.45
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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.