Finding the Fourth Proportional to 254,088.81, 350,633.75 and 140,922.09
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Solution
The fourth proportional to 254,088.81, 350,633.75 and 140,922.09 is: 194,467.60
Step by Step Solution
- Step 1: Write the proportion equation
254,088.81 : 350,633.75 = 140,922.09 : x - Step 2: Convert to fraction form
254,088.81/350,633.75 = 140,922.09/x - Step 3: Cross multiply
254,088.81x = 350,633.75 × 140,922.09 - Step 4: Simplify right side
254,088.81x = 49,412,040,169.93 - Step 5: Solve for x
x = 49,412,040,169.93/254,088.81 - Step 6: Final answer
x = 194,467.60
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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.