Finding the Fourth Proportional to 104,652.72, 156,979.08 and 25,768.44
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Solution
The fourth proportional to 104,652.72, 156,979.08 and 25,768.44 is: 38,652.66
Step by Step Solution
- Step 1: Write the proportion equation
104,652.72 : 156,979.08 = 25,768.44 : x - Step 2: Convert to fraction form
104,652.72/156,979.08 = 25,768.44/x - Step 3: Cross multiply
104,652.72x = 156,979.08 × 25,768.44 - Step 4: Simplify right side
104,652.72x = 4,045,106,004.24 - Step 5: Solve for x
x = 4,045,106,004.24/104,652.72 - Step 6: Final answer
x = 38,652.66
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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.