Finding the Fourth Proportional to 355,583.60, 490,698.26 and 194,436.94
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Solution
The fourth proportional to 355,583.60, 490,698.26 and 194,436.94 is: 268,319.09
Step by Step Solution
- Step 1: Write the proportion equation
355,583.60 : 490,698.26 = 194,436.94 : x - Step 2: Convert to fraction form
355,583.60/490,698.26 = 194,436.94/x - Step 3: Cross multiply
355,583.60x = 490,698.26 × 194,436.94 - Step 4: Simplify right side
355,583.60x = 95,409,868,137.72 - Step 5: Solve for x
x = 95,409,868,137.72/355,583.60 - Step 6: Final answer
x = 268,319.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.