Finding the Fourth Proportional to 285,303.36, 428,052.64 and 107,861.44
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Solution
The fourth proportional to 285,303.36, 428,052.64 and 107,861.44 is: 161,829.06
Step by Step Solution
- Step 1: Write the proportion equation
285,303.36 : 428,052.64 = 107,861.44 : x - Step 2: Convert to fraction form
285,303.36/428,052.64 = 107,861.44/x - Step 3: Cross multiply
285,303.36x = 428,052.64 × 107,861.44 - Step 4: Simplify right side
285,303.36x = 46,170,374,146.20 - Step 5: Solve for x
x = 46,170,374,146.20/285,303.36 - Step 6: Final answer
x = 161,829.06
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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.