Finding the Fourth Proportional to 141,189.27, 210,538.41 and 121,593.75
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Solution
The fourth proportional to 141,189.27, 210,538.41 and 121,593.75 is: 181,317.99
Step by Step Solution
- Step 1: Write the proportion equation
141,189.27 : 210,538.41 = 121,593.75 : x - Step 2: Convert to fraction form
141,189.27/210,538.41 = 121,593.75/x - Step 3: Cross multiply
141,189.27x = 210,538.41 × 121,593.75 - Step 4: Simplify right side
141,189.27x = 25,600,154,790.94 - Step 5: Solve for x
x = 25,600,154,790.94/141,189.27 - Step 6: Final answer
x = 181,317.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.