Finding the Fourth Proportional to 396,642.42, 594,458.19 and 185,815.62
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Solution
The fourth proportional to 396,642.42, 594,458.19 and 185,815.62 is: 278,486.65
Step by Step Solution
- Step 1: Write the proportion equation
396,642.42 : 594,458.19 = 185,815.62 : x - Step 2: Convert to fraction form
396,642.42/594,458.19 = 185,815.62/x - Step 3: Cross multiply
396,642.42x = 594,458.19 × 185,815.62 - Step 4: Simplify right side
396,642.42x = 110,459,617,138.93 - Step 5: Solve for x
x = 110,459,617,138.93/396,642.42 - Step 6: Final answer
x = 278,486.65
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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.