Finding the Fourth Proportional to 263,497.69, 395,187.41 and 121,206.32
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Solution
The fourth proportional to 263,497.69, 395,187.41 and 121,206.32 is: 181,782.28
Step by Step Solution
- Step 1: Write the proportion equation
263,497.69 : 395,187.41 = 121,206.32 : x - Step 2: Convert to fraction form
263,497.69/395,187.41 = 121,206.32/x - Step 3: Cross multiply
263,497.69x = 395,187.41 × 121,206.32 - Step 4: Simplify right side
263,497.69x = 47,899,210,003.51 - Step 5: Solve for x
x = 47,899,210,003.51/263,497.69 - Step 6: Final answer
x = 181,782.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.