Finding the Fourth Proportional to 234,407.19, 323,481.94 and 126,977.23
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Solution
The fourth proportional to 234,407.19, 323,481.94 and 126,977.23 is: 175,228.58
Step by Step Solution
- Step 1: Write the proportion equation
234,407.19 : 323,481.94 = 126,977.23 : x - Step 2: Convert to fraction form
234,407.19/323,481.94 = 126,977.23/x - Step 3: Cross multiply
234,407.19x = 323,481.94 × 126,977.23 - Step 4: Simplify right side
234,407.19x = 41,074,839,570.08 - Step 5: Solve for x
x = 41,074,839,570.08/234,407.19 - Step 6: Final answer
x = 175,228.58
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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.