Finding the Fourth Proportional to 166,311.80, 249,467.70 and 113,823.80
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Solution
The fourth proportional to 166,311.80, 249,467.70 and 113,823.80 is: 170,735.70
Step by Step Solution
- Step 1: Write the proportion equation
166,311.80 : 249,467.70 = 113,823.80 : x - Step 2: Convert to fraction form
166,311.80/249,467.70 = 113,823.80/x - Step 3: Cross multiply
166,311.80x = 249,467.70 × 113,823.80 - Step 4: Simplify right side
166,311.80x = 28,395,361,591.26 - Step 5: Solve for x
x = 28,395,361,591.26/166,311.80 - Step 6: Final answer
x = 170,735.70
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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.