Finding the Fourth Proportional to 324,102.11, 486,225.05 and 124,422.53
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Solution
The fourth proportional to 324,102.11, 486,225.05 and 124,422.53 is: 186,661.39
Step by Step Solution
- Step 1: Write the proportion equation
324,102.11 : 486,225.05 = 124,422.53 : x - Step 2: Convert to fraction form
324,102.11/486,225.05 = 124,422.53/x - Step 3: Cross multiply
324,102.11x = 486,225.05 × 124,422.53 - Step 4: Simplify right side
324,102.11x = 60,497,347,817.14 - Step 5: Solve for x
x = 60,497,347,817.14/324,102.11 - Step 6: Final answer
x = 186,661.39
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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.