Finding the Fourth Proportional to 135,745.41, 203,647.37 and 40,967.66
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Solution
The fourth proportional to 135,745.41, 203,647.37 and 40,967.66 is: 61,460.32
Step by Step Solution
- Step 1: Write the proportion equation
135,745.41 : 203,647.37 = 40,967.66 : x - Step 2: Convert to fraction form
135,745.41/203,647.37 = 40,967.66/x - Step 3: Cross multiply
135,745.41x = 203,647.37 × 40,967.66 - Step 4: Simplify right side
135,745.41x = 8,342,956,214.05 - Step 5: Solve for x
x = 8,342,956,214.05/135,745.41 - Step 6: Final answer
x = 61,460.32
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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.