Finding the Fourth Proportional to 269,911.04, 372,448.96 and 156,711.68
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Solution
The fourth proportional to 269,911.04, 372,448.96 and 156,711.68 is: 216,245.70
Step by Step Solution
- Step 1: Write the proportion equation
269,911.04 : 372,448.96 = 156,711.68 : x - Step 2: Convert to fraction form
269,911.04/372,448.96 = 156,711.68/x - Step 3: Cross multiply
269,911.04x = 372,448.96 × 156,711.68 - Step 4: Simplify right side
269,911.04x = 58,367,102,235.85 - Step 5: Solve for x
x = 58,367,102,235.85/269,911.04 - Step 6: Final answer
x = 216,245.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.