Finding the Fourth Proportional to 439,077.26, 605,880.25 and 248,053.76
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Solution
The fourth proportional to 439,077.26, 605,880.25 and 248,053.76 is: 342,287.99
Step by Step Solution
- Step 1: Write the proportion equation
439,077.26 : 605,880.25 = 248,053.76 : x - Step 2: Convert to fraction form
439,077.26/605,880.25 = 248,053.76/x - Step 3: Cross multiply
439,077.26x = 605,880.25 × 248,053.76 - Step 4: Simplify right side
439,077.26x = 150,290,870,472.70 - Step 5: Solve for x
x = 150,290,870,472.70/439,077.26 - Step 6: Final answer
x = 342,287.99
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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.