Finding the Fourth Proportional to 182,720.71, 252,156.46 and 102,152.71
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Solution
The fourth proportional to 182,720.71, 252,156.46 and 102,152.71 is: 140,971.79
Step by Step Solution
- Step 1: Write the proportion equation
182,720.71 : 252,156.46 = 102,152.71 : x - Step 2: Convert to fraction form
182,720.71/252,156.46 = 102,152.71/x - Step 3: Cross multiply
182,720.71x = 252,156.46 × 102,152.71 - Step 4: Simplify right side
182,720.71x = 25,758,465,222.24 - Step 5: Solve for x
x = 25,758,465,222.24/182,720.71 - Step 6: Final answer
x = 140,971.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.