Finding the Fourth Proportional to 168,392.79, 232,381.44 and 92,940.75
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Solution
The fourth proportional to 168,392.79, 232,381.44 and 92,940.75 is: 128,257.90
Step by Step Solution
- Step 1: Write the proportion equation
168,392.79 : 232,381.44 = 92,940.75 : x - Step 2: Convert to fraction form
168,392.79/232,381.44 = 92,940.75/x - Step 3: Cross multiply
168,392.79x = 232,381.44 × 92,940.75 - Step 4: Simplify right side
168,392.79x = 21,597,705,319.68 - Step 5: Solve for x
x = 21,597,705,319.68/168,392.79 - Step 6: Final answer
x = 128,257.90
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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.