Finding the Fourth Proportional to 213,082.21, 294,164.00 and 155,657.06
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Solution
The fourth proportional to 213,082.21, 294,164.00 and 155,657.06 is: 214,887.50
Step by Step Solution
- Step 1: Write the proportion equation
213,082.21 : 294,164.00 = 155,657.06 : x - Step 2: Convert to fraction form
213,082.21/294,164.00 = 155,657.06/x - Step 3: Cross multiply
213,082.21x = 294,164.00 × 155,657.06 - Step 4: Simplify right side
213,082.21x = 45,788,703,711.13 - Step 5: Solve for x
x = 45,788,703,711.13/213,082.21 - Step 6: Final answer
x = 214,887.50
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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.