Finding the Fourth Proportional to 667,531.74, 1,001,325.24 and 194,217.09
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Solution
The fourth proportional to 667,531.74, 1,001,325.24 and 194,217.09 is: 291,333.67
Step by Step Solution
- Step 1: Write the proportion equation
667,531.74 : 1,001,325.24 = 194,217.09 : x - Step 2: Convert to fraction form
667,531.74/1,001,325.24 = 194,217.09/x - Step 3: Cross multiply
667,531.74x = 1,001,325.24 × 194,217.09 - Step 4: Simplify right side
667,531.74x = 194,474,474,256.35 - Step 5: Solve for x
x = 194,474,474,256.35/667,531.74 - Step 6: Final answer
x = 291,333.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.