Finding the Fourth Proportional to 396,130.24, 546,657.24 and 214,846.48
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Solution
The fourth proportional to 396,130.24, 546,657.24 and 214,846.48 is: 296,486.79
Step by Step Solution
- Step 1: Write the proportion equation
396,130.24 : 546,657.24 = 214,846.48 : x - Step 2: Convert to fraction form
396,130.24/546,657.24 = 214,846.48/x - Step 3: Cross multiply
396,130.24x = 546,657.24 × 214,846.48 - Step 4: Simplify right side
396,130.24x = 117,447,383,780.52 - Step 5: Solve for x
x = 117,447,383,780.52/396,130.24 - Step 6: Final answer
x = 296,486.79
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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.