Finding the Fourth Proportional to 163,546.20, 245,327.40 and 84,814.20
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Solution
The fourth proportional to 163,546.20, 245,327.40 and 84,814.20 is: 127,225.50
Step by Step Solution
- Step 1: Write the proportion equation
163,546.20 : 245,327.40 = 84,814.20 : x - Step 2: Convert to fraction form
163,546.20/245,327.40 = 84,814.20/x - Step 3: Cross multiply
163,546.20x = 245,327.40 × 84,814.20 - Step 4: Simplify right side
163,546.20x = 20,807,247,169.08 - Step 5: Solve for x
x = 20,807,247,169.08/163,546.20 - Step 6: Final answer
x = 127,225.50
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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.