Finding the Fourth Proportional to 320,157.03, 441,816.86 and 176,917.08
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Solution
The fourth proportional to 320,157.03, 441,816.86 and 176,917.08 is: 244,145.66
Step by Step Solution
- Step 1: Write the proportion equation
320,157.03 : 441,816.86 = 176,917.08 : x - Step 2: Convert to fraction form
320,157.03/441,816.86 = 176,917.08/x - Step 3: Cross multiply
320,157.03x = 441,816.86 × 176,917.08 - Step 4: Simplify right side
320,157.03x = 78,164,948,765.97 - Step 5: Solve for x
x = 78,164,948,765.97/320,157.03 - Step 6: Final answer
x = 244,145.66
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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.