Finding the Fourth Proportional to 255,785.84, 352,992.84 and 141,069.50
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Solution
The fourth proportional to 255,785.84, 352,992.84 and 141,069.50 is: 194,680.53
Step by Step Solution
- Step 1: Write the proportion equation
255,785.84 : 352,992.84 = 141,069.50 : x - Step 2: Convert to fraction form
255,785.84/352,992.84 = 141,069.50/x - Step 3: Cross multiply
255,785.84x = 352,992.84 × 141,069.50 - Step 4: Simplify right side
255,785.84x = 49,796,523,442.38 - Step 5: Solve for x
x = 49,796,523,442.38/255,785.84 - Step 6: Final answer
x = 194,680.53
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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.