Finding the Fourth Proportional to 439,398.99, 606,362.58 and 248,412.44
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Solution
The fourth proportional to 439,398.99, 606,362.58 and 248,412.44 is: 342,804.62
Step by Step Solution
- Step 1: Write the proportion equation
439,398.99 : 606,362.58 = 248,412.44 : x - Step 2: Convert to fraction form
439,398.99/606,362.58 = 248,412.44/x - Step 3: Cross multiply
439,398.99x = 606,362.58 × 248,412.44 - Step 4: Simplify right side
439,398.99x = 150,628,004,990.68 - Step 5: Solve for x
x = 150,628,004,990.68/439,398.99 - Step 6: Final answer
x = 342,804.62
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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.