Finding the Fourth Proportional to 355,604.74, 490,714.68 and 194,427.70
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Solution
The fourth proportional to 355,604.74, 490,714.68 and 194,427.70 is: 268,299.37
Step by Step Solution
- Step 1: Write the proportion equation
355,604.74 : 490,714.68 = 194,427.70 : x - Step 2: Convert to fraction form
355,604.74/490,714.68 = 194,427.70/x - Step 3: Cross multiply
355,604.74x = 490,714.68 × 194,427.70 - Step 4: Simplify right side
355,604.74x = 95,408,526,588.64 - Step 5: Solve for x
x = 95,408,526,588.64/355,604.74 - Step 6: Final answer
x = 268,299.37
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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.