Finding the Fourth Proportional to 168,572.33, 252,857.58 and 68,732.13
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Solution
The fourth proportional to 168,572.33, 252,857.58 and 68,732.13 is: 103,097.82
Step by Step Solution
- Step 1: Write the proportion equation
168,572.33 : 252,857.58 = 68,732.13 : x - Step 2: Convert to fraction form
168,572.33/252,857.58 = 68,732.13/x - Step 3: Cross multiply
168,572.33x = 252,857.58 × 68,732.13 - Step 4: Simplify right side
168,572.33x = 17,379,440,060.05 - Step 5: Solve for x
x = 17,379,440,060.05/168,572.33 - Step 6: Final answer
x = 103,097.82
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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.