Finding the Fourth Proportional to 320,490.41, 442,269.18 and 177,247.44
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Solution
The fourth proportional to 320,490.41, 442,269.18 and 177,247.44 is: 244,597.28
Step by Step Solution
- Step 1: Write the proportion equation
320,490.41 : 442,269.18 = 177,247.44 : x - Step 2: Convert to fraction form
320,490.41/442,269.18 = 177,247.44/x - Step 3: Cross multiply
320,490.41x = 442,269.18 × 177,247.44 - Step 4: Simplify right side
320,490.41x = 78,391,079,945.90 - Step 5: Solve for x
x = 78,391,079,945.90/320,490.41 - Step 6: Final answer
x = 244,597.28
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1.5x scale
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.