Finding the Fourth Proportional to 470,698.68, 649,568.41 and 255,839.19
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Solution
The fourth proportional to 470,698.68, 649,568.41 and 255,839.19 is: 353,060.39
Step by Step Solution
- Step 1: Write the proportion equation
470,698.68 : 649,568.41 = 255,839.19 : x - Step 2: Convert to fraction form
470,698.68/649,568.41 = 255,839.19/x - Step 3: Cross multiply
470,698.68x = 649,568.41 × 255,839.19 - Step 4: Simplify right side
470,698.68x = 166,185,055,863.99 - Step 5: Solve for x
x = 166,185,055,863.99/470,698.68 - Step 6: Final answer
x = 353,060.39
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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.