Finding the Fourth Proportional to 355,516.24, 490,612.68 and 194,368.72
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Solution
The fourth proportional to 355,516.24, 490,612.68 and 194,368.72 is: 268,228.98
Step by Step Solution
- Step 1: Write the proportion equation
355,516.24 : 490,612.68 = 194,368.72 : x - Step 2: Convert to fraction form
355,516.24/490,612.68 = 194,368.72/x - Step 3: Cross multiply
355,516.24x = 490,612.68 × 194,368.72 - Step 4: Simplify right side
355,516.24x = 95,359,758,627.37 - Step 5: Solve for x
x = 95,359,758,627.37/355,516.24 - Step 6: Final answer
x = 268,228.98
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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.