Finding the Fourth Proportional to 441,224.19, 661,749.14 and 121,293.51
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Solution
The fourth proportional to 441,224.19, 661,749.14 and 121,293.51 is: 181,916.31
Step by Step Solution
- Step 1: Write the proportion equation
441,224.19 : 661,749.14 = 121,293.51 : x - Step 2: Convert to fraction form
441,224.19/661,749.14 = 121,293.51/x - Step 3: Cross multiply
441,224.19x = 661,749.14 × 121,293.51 - Step 4: Simplify right side
441,224.19x = 80,265,874,642.44 - Step 5: Solve for x
x = 80,265,874,642.44/441,224.19 - Step 6: Final answer
x = 181,916.31
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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.