Finding the Fourth Proportional to 415,309.44, 622,059.36 and 272,994.06
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Solution
The fourth proportional to 415,309.44, 622,059.36 and 272,994.06 is: 408,896.34
Step by Step Solution
- Step 1: Write the proportion equation
415,309.44 : 622,059.36 = 272,994.06 : x - Step 2: Convert to fraction form
415,309.44/622,059.36 = 272,994.06/x - Step 3: Cross multiply
415,309.44x = 622,059.36 × 272,994.06 - Step 4: Simplify right side
415,309.44x = 169,818,510,247.40 - Step 5: Solve for x
x = 169,818,510,247.40/415,309.44 - Step 6: Final answer
x = 408,896.34
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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.