Finding the Fourth Proportional to 306,717.05, 459,702.56 and 164,212.13
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Solution
The fourth proportional to 306,717.05, 459,702.56 and 164,212.13 is: 246,118.49
Step by Step Solution
- Step 1: Write the proportion equation
306,717.05 : 459,702.56 = 164,212.13 : x - Step 2: Convert to fraction form
306,717.05/459,702.56 = 164,212.13/x - Step 3: Cross multiply
306,717.05x = 459,702.56 × 164,212.13 - Step 4: Simplify right side
306,717.05x = 75,488,738,103.84 - Step 5: Solve for x
x = 75,488,738,103.84/306,717.05 - Step 6: Final answer
x = 246,118.49
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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.