Finding the Fourth Proportional to 386,725.24, 533,676.78 and 214,644.68
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Solution
The fourth proportional to 386,725.24, 533,676.78 and 214,644.68 is: 296,207.42
Step by Step Solution
- Step 1: Write the proportion equation
386,725.24 : 533,676.78 = 214,644.68 : x - Step 2: Convert to fraction form
386,725.24/533,676.78 = 214,644.68/x - Step 3: Cross multiply
386,725.24x = 533,676.78 × 214,644.68 - Step 4: Simplify right side
386,725.24x = 114,550,883,397.68 - Step 5: Solve for x
x = 114,550,883,397.68/386,725.24 - Step 6: Final answer
x = 296,207.42
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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.