Finding the Fourth Proportional to 121,508.17, 182,262.26 and 38,395.69
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Solution
The fourth proportional to 121,508.17, 182,262.26 and 38,395.69 is: 57,593.53
Step by Step Solution
- Step 1: Write the proportion equation
121,508.17 : 182,262.26 = 38,395.69 : x - Step 2: Convert to fraction form
121,508.17/182,262.26 = 38,395.69/x - Step 3: Cross multiply
121,508.17x = 182,262.26 × 38,395.69 - Step 4: Simplify right side
121,508.17x = 6,998,084,586.03 - Step 5: Solve for x
x = 6,998,084,586.03/121,508.17 - Step 6: Final answer
x = 57,593.53
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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.