Finding the Fourth Proportional to 218,132.17, 327,198.86 and 118,339.36
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Solution
The fourth proportional to 218,132.17, 327,198.86 and 118,339.36 is: 177,509.37
Step by Step Solution
- Step 1: Write the proportion equation
218,132.17 : 327,198.86 = 118,339.36 : x - Step 2: Convert to fraction form
218,132.17/327,198.86 = 118,339.36/x - Step 3: Cross multiply
218,132.17x = 327,198.86 × 118,339.36 - Step 4: Simplify right side
218,132.17x = 38,720,503,685.13 - Step 5: Solve for x
x = 38,720,503,685.13/218,132.17 - Step 6: Final answer
x = 177,509.37
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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.