Finding the Fourth Proportional to 168,267.60, 232,213.67 and 91,787.99
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Solution
The fourth proportional to 168,267.60, 232,213.67 and 91,787.99 is: 126,669.81
Step by Step Solution
- Step 1: Write the proportion equation
168,267.60 : 232,213.67 = 91,787.99 : x - Step 2: Convert to fraction form
168,267.60/232,213.67 = 91,787.99/x - Step 3: Cross multiply
168,267.60x = 232,213.67 × 91,787.99 - Step 4: Simplify right side
168,267.60x = 21,314,424,399.82 - Step 5: Solve for x
x = 21,314,424,399.82/168,267.60 - Step 6: Final answer
x = 126,669.81
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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.