Finding the Fourth Proportional to 157,449.99, 217,286.24 and 93,779.13
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Solution
The fourth proportional to 157,449.99, 217,286.24 and 93,779.13 is: 129,418.33
Step by Step Solution
- Step 1: Write the proportion equation
157,449.99 : 217,286.24 = 93,779.13 : x - Step 2: Convert to fraction form
157,449.99/217,286.24 = 93,779.13/x - Step 3: Cross multiply
157,449.99x = 217,286.24 × 93,779.13 - Step 4: Simplify right side
157,449.99x = 20,376,914,079.28 - Step 5: Solve for x
x = 20,376,914,079.28/157,449.99 - Step 6: Final answer
x = 129,418.33
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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.