Finding the Fourth Proportional to 182,893.23, 252,478.94 and 137,588.47
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Solution
The fourth proportional to 182,893.23, 252,478.94 and 137,588.47 is: 189,936.99
Step by Step Solution
- Step 1: Write the proportion equation
182,893.23 : 252,478.94 = 137,588.47 : x - Step 2: Convert to fraction form
182,893.23/252,478.94 = 137,588.47/x - Step 3: Cross multiply
182,893.23x = 252,478.94 × 137,588.47 - Step 4: Simplify right side
182,893.23x = 34,738,189,742.68 - Step 5: Solve for x
x = 34,738,189,742.68/182,893.23 - Step 6: Final answer
x = 189,936.99
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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.