Finding the Fourth Proportional to 405,458.36, 607,597.06 and 194,850.26
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Solution
The fourth proportional to 405,458.36, 607,597.06 and 194,850.26 is: 291,991.62
Step by Step Solution
- Step 1: Write the proportion equation
405,458.36 : 607,597.06 = 194,850.26 : x - Step 2: Convert to fraction form
405,458.36/607,597.06 = 194,850.26/x - Step 3: Cross multiply
405,458.36x = 607,597.06 × 194,850.26 - Step 4: Simplify right side
405,458.36x = 118,390,445,116.24 - Step 5: Solve for x
x = 118,390,445,116.24/405,458.36 - Step 6: Final answer
x = 291,991.62
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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.