Finding the Fourth Proportional to 103,629.70, 155,329.35 and 44,455.30
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Solution
The fourth proportional to 103,629.70, 155,329.35 and 44,455.30 is: 66,633.53
Step by Step Solution
- Step 1: Write the proportion equation
103,629.70 : 155,329.35 = 44,455.30 : x - Step 2: Convert to fraction form
103,629.70/155,329.35 = 44,455.30/x - Step 3: Cross multiply
103,629.70x = 155,329.35 × 44,455.30 - Step 4: Simplify right side
103,629.70x = 6,905,212,853.06 - Step 5: Solve for x
x = 6,905,212,853.06/103,629.70 - Step 6: Final answer
x = 66,633.53
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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.