Finding the Fourth Proportional to 405,122.94, 607,815.63 and 194,733.54
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Solution
The fourth proportional to 405,122.94, 607,815.63 and 194,733.54 is: 292,163.38
Step by Step Solution
- Step 1: Write the proportion equation
405,122.94 : 607,815.63 = 194,733.54 : x - Step 2: Convert to fraction form
405,122.94/607,815.63 = 194,733.54/x - Step 3: Cross multiply
405,122.94x = 607,815.63 × 194,733.54 - Step 4: Simplify right side
405,122.94x = 118,362,089,297.23 - Step 5: Solve for x
x = 118,362,089,297.23/405,122.94 - Step 6: Final answer
x = 292,163.38
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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.