Finding the Fourth Proportional to 439,374.69, 606,323.21 and 248,376.69
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Solution
The fourth proportional to 439,374.69, 606,323.21 and 248,376.69 is: 342,751.99
Step by Step Solution
- Step 1: Write the proportion equation
439,374.69 : 606,323.21 = 248,376.69 : x - Step 2: Convert to fraction form
439,374.69/606,323.21 = 248,376.69/x - Step 3: Cross multiply
439,374.69x = 606,323.21 × 248,376.69 - Step 4: Simplify right side
439,374.69x = 150,596,550,728.09 - Step 5: Solve for x
x = 150,596,550,728.09/439,374.69 - Step 6: Final answer
x = 342,751.99
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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.