Finding the Fourth Proportional to 189,793.08, 285,133.44 and 163,221.06
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Solution
The fourth proportional to 189,793.08, 285,133.44 and 163,221.06 is: 245,213.27
Step by Step Solution
- Step 1: Write the proportion equation
189,793.08 : 285,133.44 = 163,221.06 : x - Step 2: Convert to fraction form
189,793.08/285,133.44 = 163,221.06/x - Step 3: Cross multiply
189,793.08x = 285,133.44 × 163,221.06 - Step 4: Simplify right side
189,793.08x = 46,539,782,318.25 - Step 5: Solve for x
x = 46,539,782,318.25/189,793.08 - Step 6: Final answer
x = 245,213.27
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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.