Finding the Fourth Proportional to 320,245.13, 441,961.17 and 177,002.08
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Solution
The fourth proportional to 320,245.13, 441,961.17 and 177,002.08 is: 244,275.52
Step by Step Solution
- Step 1: Write the proportion equation
320,245.13 : 441,961.17 = 177,002.08 : x - Step 2: Convert to fraction form
320,245.13/441,961.17 = 177,002.08/x - Step 3: Cross multiply
320,245.13x = 441,961.17 × 177,002.08 - Step 4: Simplify right side
320,245.13x = 78,228,046,369.23 - Step 5: Solve for x
x = 78,228,046,369.23/320,245.13 - Step 6: Final answer
x = 244,275.52
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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.