Finding the Fourth Proportional to 168,425.10, 252,511.29 and 101,851.61
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Solution
The fourth proportional to 168,425.10, 252,511.29 and 101,851.61 is: 152,700.99
Step by Step Solution
- Step 1: Write the proportion equation
168,425.10 : 252,511.29 = 101,851.61 : x - Step 2: Convert to fraction form
168,425.10/252,511.29 = 101,851.61/x - Step 3: Cross multiply
168,425.10x = 252,511.29 × 101,851.61 - Step 4: Simplify right side
168,425.10x = 25,718,680,167.12 - Step 5: Solve for x
x = 25,718,680,167.12/168,425.10 - Step 6: Final answer
x = 152,700.99
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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.