Finding the Fourth Proportional to 104,378.14, 156,553.20 and 29,505.06
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Solution
The fourth proportional to 104,378.14, 156,553.20 and 29,505.06 is: 44,253.63
Step by Step Solution
- Step 1: Write the proportion equation
104,378.14 : 156,553.20 = 29,505.06 : x - Step 2: Convert to fraction form
104,378.14/156,553.20 = 29,505.06/x - Step 3: Cross multiply
104,378.14x = 156,553.20 × 29,505.06 - Step 4: Simplify right side
104,378.14x = 4,619,111,559.19 - Step 5: Solve for x
x = 4,619,111,559.19/104,378.14 - Step 6: Final answer
x = 44,253.63
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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.