Finding the Fourth Proportional to 508,708.08, 702,025.92 and 279,286.65
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Solution
The fourth proportional to 508,708.08, 702,025.92 and 279,286.65 is: 385,420.39
Step by Step Solution
- Step 1: Write the proportion equation
508,708.08 : 702,025.92 = 279,286.65 : x - Step 2: Convert to fraction form
508,708.08/702,025.92 = 279,286.65/x - Step 3: Cross multiply
508,708.08x = 702,025.92 × 279,286.65 - Step 4: Simplify right side
508,708.08x = 196,066,467,409.97 - Step 5: Solve for x
x = 196,066,467,409.97/508,708.08 - Step 6: Final answer
x = 385,420.39
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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.