Finding the Fourth Proportional to 234,415.01, 323,491.93 and 126,984.92
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Solution
The fourth proportional to 234,415.01, 323,491.93 and 126,984.92 is: 175,238.75
Step by Step Solution
- Step 1: Write the proportion equation
234,415.01 : 323,491.93 = 126,984.92 : x - Step 2: Convert to fraction form
234,415.01/323,491.93 = 126,984.92/x - Step 3: Cross multiply
234,415.01x = 323,491.93 × 126,984.92 - Step 4: Simplify right side
234,415.01x = 41,078,594,916.77 - Step 5: Solve for x
x = 41,078,594,916.77/234,415.01 - Step 6: Final answer
x = 175,238.75
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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.