Finding the Fourth Proportional to 168,267.09, 232,212.97 and 91,787.48
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Solution
The fourth proportional to 168,267.09, 232,212.97 and 91,787.48 is: 126,669.11
Step by Step Solution
- Step 1: Write the proportion equation
168,267.09 : 232,212.97 = 91,787.48 : x - Step 2: Convert to fraction form
168,267.09/232,212.97 = 91,787.48/x - Step 3: Cross multiply
168,267.09x = 232,212.97 × 91,787.48 - Step 4: Simplify right side
168,267.09x = 21,314,243,339.62 - Step 5: Solve for x
x = 21,314,243,339.62/168,267.09 - Step 6: Final answer
x = 126,669.11
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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.