Finding the Fourth Proportional to 492,599.97, 738,670.32 and 255,879.09
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Solution
The fourth proportional to 492,599.97, 738,670.32 and 255,879.09 is: 383,699.35
Step by Step Solution
- Step 1: Write the proportion equation
492,599.97 : 738,670.32 = 255,879.09 : x - Step 2: Convert to fraction form
492,599.97/738,670.32 = 255,879.09/x - Step 3: Cross multiply
492,599.97x = 738,670.32 × 255,879.09 - Step 4: Simplify right side
492,599.97x = 189,010,289,291.61 - Step 5: Solve for x
x = 189,010,289,291.61/492,599.97 - Step 6: Final answer
x = 383,699.35
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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.