Finding the Fourth Proportional to 145,237.20, 217,272.60 and 125,732.40
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Solution
The fourth proportional to 145,237.20, 217,272.60 and 125,732.40 is: 188,093.72
Step by Step Solution
- Step 1: Write the proportion equation
145,237.20 : 217,272.60 = 125,732.40 : x - Step 2: Convert to fraction form
145,237.20/217,272.60 = 125,732.40/x - Step 3: Cross multiply
145,237.20x = 217,272.60 × 125,732.40 - Step 4: Simplify right side
145,237.20x = 27,318,205,452.24 - Step 5: Solve for x
x = 27,318,205,452.24/145,237.20 - Step 6: Final answer
x = 188,093.72
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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.