Finding the Fourth Proportional to 181,787.79, 250,877.50 and 109,212.88
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Solution
The fourth proportional to 181,787.79, 250,877.50 and 109,212.88 is: 150,719.99
Step by Step Solution
- Step 1: Write the proportion equation
181,787.79 : 250,877.50 = 109,212.88 : x - Step 2: Convert to fraction form
181,787.79/250,877.50 = 109,212.88/x - Step 3: Cross multiply
181,787.79x = 250,877.50 × 109,212.88 - Step 4: Simplify right side
181,787.79x = 27,399,054,302.20 - Step 5: Solve for x
x = 27,399,054,302.20/181,787.79 - Step 6: Final answer
x = 150,719.99
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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.