Finding the Fourth Proportional to 461,742.78, 693,039.93 and 234,198.09
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Solution
The fourth proportional to 461,742.78, 693,039.93 and 234,198.09 is: 351,513.08
Step by Step Solution
- Step 1: Write the proportion equation
461,742.78 : 693,039.93 = 234,198.09 : x - Step 2: Convert to fraction form
461,742.78/693,039.93 = 234,198.09/x - Step 3: Cross multiply
461,742.78x = 693,039.93 × 234,198.09 - Step 4: Simplify right side
461,742.78x = 162,308,627,899.73 - Step 5: Solve for x
x = 162,308,627,899.73/461,742.78 - Step 6: Final answer
x = 351,513.08
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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.