Finding the Fourth Proportional to 209,601.64, 289,201.08 and 118,937.08
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Solution
The fourth proportional to 209,601.64, 289,201.08 and 118,937.08 is: 164,105.26
Step by Step Solution
- Step 1: Write the proportion equation
209,601.64 : 289,201.08 = 118,937.08 : x - Step 2: Convert to fraction form
209,601.64/289,201.08 = 118,937.08/x - Step 3: Cross multiply
209,601.64x = 289,201.08 × 118,937.08 - Step 4: Simplify right side
209,601.64x = 34,396,731,988.05 - Step 5: Solve for x
x = 34,396,731,988.05/209,601.64 - Step 6: Final answer
x = 164,105.26
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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.