Finding the Fourth Proportional to 848,213.91, 1,272,320.05 and 217,126.71
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Solution
The fourth proportional to 848,213.91, 1,272,320.05 and 217,126.71 is: 325,689.85
Step by Step Solution
- Step 1: Write the proportion equation
848,213.91 : 1,272,320.05 = 217,126.71 : x - Step 2: Convert to fraction form
848,213.91/1,272,320.05 = 217,126.71/x - Step 3: Cross multiply
848,213.91x = 1,272,320.05 × 217,126.71 - Step 4: Simplify right side
848,213.91x = 276,254,659,076.30 - Step 5: Solve for x
x = 276,254,659,076.30/848,213.91 - Step 6: Final answer
x = 325,689.85
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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.