Finding the Fourth Proportional to 104,358.84, 156,505.41 and 34,221.84
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Solution
The fourth proportional to 104,358.84, 156,505.41 and 34,221.84 is: 51,321.99
Step by Step Solution
- Step 1: Write the proportion equation
104,358.84 : 156,505.41 = 34,221.84 : x - Step 2: Convert to fraction form
104,358.84/156,505.41 = 34,221.84/x - Step 3: Cross multiply
104,358.84x = 156,505.41 × 34,221.84 - Step 4: Simplify right side
104,358.84x = 5,355,903,100.15 - Step 5: Solve for x
x = 5,355,903,100.15/104,358.84 - Step 6: Final answer
x = 51,321.99
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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.