Finding the Fourth Proportional to 347,163.60, 520,745.40 and 97,845.60
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Solution
The fourth proportional to 347,163.60, 520,745.40 and 97,845.60 is: 146,768.40
Step by Step Solution
- Step 1: Write the proportion equation
347,163.60 : 520,745.40 = 97,845.60 : x - Step 2: Convert to fraction form
347,163.60/520,745.40 = 97,845.60/x - Step 3: Cross multiply
347,163.60x = 520,745.40 × 97,845.60 - Step 4: Simplify right side
347,163.60x = 50,952,646,110.24 - Step 5: Solve for x
x = 50,952,646,110.24/347,163.60 - Step 6: Final answer
x = 146,768.40
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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.