Finding the Fourth Proportional to 351,266.70, 484,748.01 and 190,121.72
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Solution
The fourth proportional to 351,266.70, 484,748.01 and 190,121.72 is: 262,367.95
Step by Step Solution
- Step 1: Write the proportion equation
351,266.70 : 484,748.01 = 190,121.72 : x - Step 2: Convert to fraction form
351,266.70/484,748.01 = 190,121.72/x - Step 3: Cross multiply
351,266.70x = 484,748.01 × 190,121.72 - Step 4: Simplify right side
351,266.70x = 92,161,125,427.78 - Step 5: Solve for x
x = 92,161,125,427.78/351,266.70 - Step 6: Final answer
x = 262,367.95
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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.