Finding the Fourth Proportional to 168,803.92, 252,924.72 and 118,778.91
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Solution
The fourth proportional to 168,803.92, 252,924.72 and 118,778.91 is: 177,970.52
Step by Step Solution
- Step 1: Write the proportion equation
168,803.92 : 252,924.72 = 118,778.91 : x - Step 2: Convert to fraction form
168,803.92/252,924.72 = 118,778.91/x - Step 3: Cross multiply
168,803.92x = 252,924.72 × 118,778.91 - Step 4: Simplify right side
168,803.92x = 30,042,121,289.03 - Step 5: Solve for x
x = 30,042,121,289.03/168,803.92 - Step 6: Final answer
x = 177,970.52
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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.