Finding the Fourth Proportional to 210,106.62, 289,945.26 and 114,611.26
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Solution
The fourth proportional to 210,106.62, 289,945.26 and 114,611.26 is: 158,162.52
Step by Step Solution
- Step 1: Write the proportion equation
210,106.62 : 289,945.26 = 114,611.26 : x - Step 2: Convert to fraction form
210,106.62/289,945.26 = 114,611.26/x - Step 3: Cross multiply
210,106.62x = 289,945.26 × 114,611.26 - Step 4: Simplify right side
210,106.62x = 33,230,991,579.63 - Step 5: Solve for x
x = 33,230,991,579.63/210,106.62 - Step 6: Final answer
x = 158,162.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.