Finding the Fourth Proportional to 169,861.74, 254,588.49 and 119,866.92
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Solution
The fourth proportional to 169,861.74, 254,588.49 and 119,866.92 is: 179,656.34
Step by Step Solution
- Step 1: Write the proportion equation
169,861.74 : 254,588.49 = 119,866.92 : x - Step 2: Convert to fraction form
169,861.74/254,588.49 = 119,866.92/x - Step 3: Cross multiply
169,861.74x = 254,588.49 × 119,866.92 - Step 4: Simplify right side
169,861.74x = 30,516,738,163.75 - Step 5: Solve for x
x = 30,516,738,163.75/169,861.74 - Step 6: Final answer
x = 179,656.34
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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.