Finding the Fourth Proportional to 408,659.38, 563,941.11 and 236,584.63
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Solution
The fourth proportional to 408,659.38, 563,941.11 and 236,584.63 is: 326,481.68
Step by Step Solution
- Step 1: Write the proportion equation
408,659.38 : 563,941.11 = 236,584.63 : x - Step 2: Convert to fraction form
408,659.38/563,941.11 = 236,584.63/x - Step 3: Cross multiply
408,659.38x = 563,941.11 × 236,584.63 - Step 4: Simplify right side
408,659.38x = 133,419,800,443.26 - Step 5: Solve for x
x = 133,419,800,443.26/408,659.38 - Step 6: Final answer
x = 326,481.68
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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.