Finding the Fourth Proportional to 149,129.36, 223,532.36 and 74,305.36
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Solution
The fourth proportional to 149,129.36, 223,532.36 and 74,305.36 is: 111,377.48
Step by Step Solution
- Step 1: Write the proportion equation
149,129.36 : 223,532.36 = 74,305.36 : x - Step 2: Convert to fraction form
149,129.36/223,532.36 = 74,305.36/x - Step 3: Cross multiply
149,129.36x = 223,532.36 × 74,305.36 - Step 4: Simplify right side
149,129.36x = 16,609,652,481.45 - Step 5: Solve for x
x = 16,609,652,481.45/149,129.36 - Step 6: Final answer
x = 111,377.48
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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.