Finding the Fourth Proportional to 208,830.70, 313,246.05 and 125,886.70
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Solution
The fourth proportional to 208,830.70, 313,246.05 and 125,886.70 is: 188,830.05
Step by Step Solution
- Step 1: Write the proportion equation
208,830.70 : 313,246.05 = 125,886.70 : x - Step 2: Convert to fraction form
208,830.70/313,246.05 = 125,886.70/x - Step 3: Cross multiply
208,830.70x = 313,246.05 × 125,886.70 - Step 4: Simplify right side
208,830.70x = 39,433,511,522.54 - Step 5: Solve for x
x = 39,433,511,522.54/208,830.70 - Step 6: Final answer
x = 188,830.05
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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.