Finding the Fourth Proportional to 351,578.30, 484,859.14 and 230,673.65
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Solution
The fourth proportional to 351,578.30, 484,859.14 and 230,673.65 is: 318,120.39
Step by Step Solution
- Step 1: Write the proportion equation
351,578.30 : 484,859.14 = 230,673.65 : x - Step 2: Convert to fraction form
351,578.30/484,859.14 = 230,673.65/x - Step 3: Cross multiply
351,578.30x = 484,859.14 × 230,673.65 - Step 4: Simplify right side
351,578.30x = 111,844,224,558.68 - Step 5: Solve for x
x = 111,844,224,558.68/351,578.30 - Step 6: Final answer
x = 318,120.39
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1.5x scale
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.