Finding the Fourth Proportional to 481,345.68, 664,231.71 and 263,512.65
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Solution
The fourth proportional to 481,345.68, 664,231.71 and 263,512.65 is: 363,633.59
Step by Step Solution
- Step 1: Write the proportion equation
481,345.68 : 664,231.71 = 263,512.65 : x - Step 2: Convert to fraction form
481,345.68/664,231.71 = 263,512.65/x - Step 3: Cross multiply
481,345.68x = 664,231.71 × 263,512.65 - Step 4: Simplify right side
481,345.68x = 175,033,458,116.13 - Step 5: Solve for x
x = 175,033,458,116.13/481,345.68 - Step 6: Final answer
x = 363,633.59
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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.