Finding the Fourth Proportional to 163,546.20, 245,319.30 and 113,779.80
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Solution
The fourth proportional to 163,546.20, 245,319.30 and 113,779.80 is: 170,669.70
Step by Step Solution
- Step 1: Write the proportion equation
163,546.20 : 245,319.30 = 113,779.80 : x - Step 2: Convert to fraction form
163,546.20/245,319.30 = 113,779.80/x - Step 3: Cross multiply
163,546.20x = 245,319.30 × 113,779.80 - Step 4: Simplify right side
163,546.20x = 27,912,380,890.14 - Step 5: Solve for x
x = 27,912,380,890.14/163,546.20 - Step 6: Final answer
x = 170,669.70
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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.