Finding the Fourth Proportional to 103,272.24, 154,905.12 and 29,400.24
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Solution
The fourth proportional to 103,272.24, 154,905.12 and 29,400.24 is: 44,099.44
Step by Step Solution
- Step 1: Write the proportion equation
103,272.24 : 154,905.12 = 29,400.24 : x - Step 2: Convert to fraction form
103,272.24/154,905.12 = 29,400.24/x - Step 3: Cross multiply
103,272.24x = 154,905.12 × 29,400.24 - Step 4: Simplify right side
103,272.24x = 4,554,247,705.23 - Step 5: Solve for x
x = 4,554,247,705.23/103,272.24 - Step 6: Final answer
x = 44,099.44
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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.