Finding the Fourth Proportional to 439,395.99, 606,358.44 and 248,409.43
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Solution
The fourth proportional to 439,395.99, 606,358.44 and 248,409.43 is: 342,800.48
Step by Step Solution
- Step 1: Write the proportion equation
439,395.99 : 606,358.44 = 248,409.43 : x - Step 2: Convert to fraction form
439,395.99/606,358.44 = 248,409.43/x - Step 3: Cross multiply
439,395.99x = 606,358.44 × 248,409.43 - Step 4: Simplify right side
439,395.99x = 150,625,152,940.19 - Step 5: Solve for x
x = 150,625,152,940.19/439,395.99 - Step 6: Final answer
x = 342,800.48
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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.