Finding the Fourth Proportional to 132,918.13, 199,460.19 and 88,575.99
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Solution
The fourth proportional to 132,918.13, 199,460.19 and 88,575.99 is: 132,919.29
Step by Step Solution
- Step 1: Write the proportion equation
132,918.13 : 199,460.19 = 88,575.99 : x - Step 2: Convert to fraction form
132,918.13/199,460.19 = 88,575.99/x - Step 3: Cross multiply
132,918.13x = 199,460.19 × 88,575.99 - Step 4: Simplify right side
132,918.13x = 17,667,383,351.96 - Step 5: Solve for x
x = 17,667,383,351.96/132,918.13 - Step 6: Final answer
x = 132,919.29
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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.