Finding the Fourth Proportional to 168,006.58, 252,115.37 and 68,167.19
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Solution
The fourth proportional to 168,006.58, 252,115.37 and 68,167.19 is: 102,293.59
Step by Step Solution
- Step 1: Write the proportion equation
168,006.58 : 252,115.37 = 68,167.19 : x - Step 2: Convert to fraction form
168,006.58/252,115.37 = 68,167.19/x - Step 3: Cross multiply
168,006.58x = 252,115.37 × 68,167.19 - Step 4: Simplify right side
168,006.58x = 17,185,996,328.71 - Step 5: Solve for x
x = 17,185,996,328.71/168,006.58 - Step 6: Final answer
x = 102,293.59
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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.