Finding the Fourth Proportional to 113,772.12, 170,734.36 and 47,212.31
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Solution
The fourth proportional to 113,772.12, 170,734.36 and 47,212.31 is: 70,850.08
Step by Step Solution
- Step 1: Write the proportion equation
113,772.12 : 170,734.36 = 47,212.31 : x - Step 2: Convert to fraction form
113,772.12/170,734.36 = 47,212.31/x - Step 3: Cross multiply
113,772.12x = 170,734.36 × 47,212.31 - Step 4: Simplify right side
113,772.12x = 8,060,763,840.78 - Step 5: Solve for x
x = 8,060,763,840.78/113,772.12 - Step 6: Final answer
x = 70,850.08
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1.5x scale
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.