Finding the Fourth Proportional to 136,726.74, 204,794.86 and 133,380.63
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Solution
The fourth proportional to 136,726.74, 204,794.86 and 133,380.63 is: 199,782.92
Step by Step Solution
- Step 1: Write the proportion equation
136,726.74 : 204,794.86 = 133,380.63 : x - Step 2: Convert to fraction form
136,726.74/204,794.86 = 133,380.63/x - Step 3: Cross multiply
136,726.74x = 204,794.86 × 133,380.63 - Step 4: Simplify right side
136,726.74x = 27,315,667,447.56 - Step 5: Solve for x
x = 27,315,667,447.56/136,726.74 - Step 6: Final answer
x = 199,782.92
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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.