Finding the Fourth Proportional to 161,313.12, 241,807.68 and 61,447.68
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Solution
The fourth proportional to 161,313.12, 241,807.68 and 61,447.68 is: 92,109.81
Step by Step Solution
- Step 1: Write the proportion equation
161,313.12 : 241,807.68 = 61,447.68 : x - Step 2: Convert to fraction form
161,313.12/241,807.68 = 61,447.68/x - Step 3: Cross multiply
161,313.12x = 241,807.68 × 61,447.68 - Step 4: Simplify right side
161,313.12x = 14,858,520,942.18 - Step 5: Solve for x
x = 14,858,520,942.18/161,313.12 - Step 6: Final answer
x = 92,109.81
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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.