Finding the Fourth Proportional to 193,787.96, 290,430.42 and 87,093.08
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Solution
The fourth proportional to 193,787.96, 290,430.42 and 87,093.08 is: 130,526.58
Step by Step Solution
- Step 1: Write the proportion equation
193,787.96 : 290,430.42 = 87,093.08 : x - Step 2: Convert to fraction form
193,787.96/290,430.42 = 87,093.08/x - Step 3: Cross multiply
193,787.96x = 290,430.42 × 87,093.08 - Step 4: Simplify right side
193,787.96x = 25,294,479,803.49 - Step 5: Solve for x
x = 25,294,479,803.49/193,787.96 - Step 6: Final answer
x = 130,526.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.