Finding the Fourth Proportional to 234,412.84, 323,488.42 and 126,984.97
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Solution
The fourth proportional to 234,412.84, 323,488.42 and 126,984.97 is: 175,238.55
Step by Step Solution
- Step 1: Write the proportion equation
234,412.84 : 323,488.42 = 126,984.97 : x - Step 2: Convert to fraction form
234,412.84/323,488.42 = 126,984.97/x - Step 3: Cross multiply
234,412.84x = 323,488.42 × 126,984.97 - Step 4: Simplify right side
234,412.84x = 41,078,167,309.05 - Step 5: Solve for x
x = 41,078,167,309.05/234,412.84 - Step 6: Final answer
x = 175,238.55
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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.