Finding the Fourth Proportional to 205,706.75, 283,901.57 and 115,067.75
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Solution
The fourth proportional to 205,706.75, 283,901.57 and 115,067.75 is: 158,808.18
Step by Step Solution
- Step 1: Write the proportion equation
205,706.75 : 283,901.57 = 115,067.75 : x - Step 2: Convert to fraction form
205,706.75/283,901.57 = 115,067.75/x - Step 3: Cross multiply
205,706.75x = 283,901.57 × 115,067.75 - Step 4: Simplify right side
205,706.75x = 32,667,912,886.52 - Step 5: Solve for x
x = 32,667,912,886.52/205,706.75 - Step 6: Final answer
x = 158,808.18
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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.