Finding the Fourth Proportional to 292,207.20, 438,278.40 and 239,524.80
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Solution
The fourth proportional to 292,207.20, 438,278.40 and 239,524.80 is: 359,260.64
Step by Step Solution
- Step 1: Write the proportion equation
292,207.20 : 438,278.40 = 239,524.80 : x - Step 2: Convert to fraction form
292,207.20/438,278.40 = 239,524.80/x - Step 3: Cross multiply
292,207.20x = 438,278.40 × 239,524.80 - Step 4: Simplify right side
292,207.20x = 104,978,546,104.32 - Step 5: Solve for x
x = 104,978,546,104.32/292,207.20 - Step 6: Final answer
x = 359,260.64
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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.