Finding the Fourth Proportional to 396,295.75, 594,318.84 and 129,994.39
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Solution
The fourth proportional to 396,295.75, 594,318.84 and 129,994.39 is: 194,950.65
Step by Step Solution
- Step 1: Write the proportion equation
396,295.75 : 594,318.84 = 129,994.39 : x - Step 2: Convert to fraction form
396,295.75/594,318.84 = 129,994.39/x - Step 3: Cross multiply
396,295.75x = 594,318.84 × 129,994.39 - Step 4: Simplify right side
396,295.75x = 77,258,115,071.31 - Step 5: Solve for x
x = 77,258,115,071.31/396,295.75 - Step 6: Final answer
x = 194,950.65
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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.