Finding the Fourth Proportional to 166,163.22, 249,242.86 and 112,722.79
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Solution
The fourth proportional to 166,163.22, 249,242.86 and 112,722.79 is: 169,082.85
Step by Step Solution
- Step 1: Write the proportion equation
166,163.22 : 249,242.86 = 112,722.79 : x - Step 2: Convert to fraction form
166,163.22/249,242.86 = 112,722.79/x - Step 3: Cross multiply
166,163.22x = 249,242.86 × 112,722.79 - Step 4: Simplify right side
166,163.22x = 28,095,350,566.78 - Step 5: Solve for x
x = 28,095,350,566.78/166,163.22 - Step 6: Final answer
x = 169,082.85
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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.