Finding the Fourth Proportional to 393,269.44, 542,758.08 and 223,529.44
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Solution
The fourth proportional to 393,269.44, 542,758.08 and 223,529.44 is: 308,496.92
Step by Step Solution
- Step 1: Write the proportion equation
393,269.44 : 542,758.08 = 223,529.44 : x - Step 2: Convert to fraction form
393,269.44/542,758.08 = 223,529.44/x - Step 3: Cross multiply
393,269.44x = 542,758.08 × 223,529.44 - Step 4: Simplify right side
393,269.44x = 121,322,409,677.88 - Step 5: Solve for x
x = 121,322,409,677.88/393,269.44 - Step 6: Final answer
x = 308,496.92
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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.