Finding the Fourth Proportional to 168,243.12, 252,363.87 and 159,833.70
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Solution
The fourth proportional to 168,243.12, 252,363.87 and 159,833.70 is: 239,749.78
Step by Step Solution
- Step 1: Write the proportion equation
168,243.12 : 252,363.87 = 159,833.70 : x - Step 2: Convert to fraction form
168,243.12/252,363.87 = 159,833.70/x - Step 3: Cross multiply
168,243.12x = 252,363.87 × 159,833.70 - Step 4: Simplify right side
168,243.12x = 40,336,252,118.91 - Step 5: Solve for x
x = 40,336,252,118.91/168,243.12 - Step 6: Final answer
x = 239,749.78
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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.