Finding the Fourth Proportional to 150,896.70, 208,237.39 and 82,918.05
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Solution
The fourth proportional to 150,896.70, 208,237.39 and 82,918.05 is: 114,426.88
Step by Step Solution
- Step 1: Write the proportion equation
150,896.70 : 208,237.39 = 82,918.05 : x - Step 2: Convert to fraction form
150,896.70/208,237.39 = 82,918.05/x - Step 3: Cross multiply
150,896.70x = 208,237.39 × 82,918.05 - Step 4: Simplify right side
150,896.70x = 17,266,638,523.08 - Step 5: Solve for x
x = 17,266,638,523.08/150,896.70 - Step 6: Final answer
x = 114,426.88
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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.