Finding the Fourth Proportional to 355,423.14, 490,497.12 and 194,289.12
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Solution
The fourth proportional to 355,423.14, 490,497.12 and 194,289.12 is: 268,126.19
Step by Step Solution
- Step 1: Write the proportion equation
355,423.14 : 490,497.12 = 194,289.12 : x - Step 2: Convert to fraction form
355,423.14/490,497.12 = 194,289.12/x - Step 3: Cross multiply
355,423.14x = 490,497.12 × 194,289.12 - Step 4: Simplify right side
355,423.14x = 95,298,253,807.33 - Step 5: Solve for x
x = 95,298,253,807.33/355,423.14 - Step 6: Final answer
x = 268,126.19
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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.