Finding the Fourth Proportional to 245,140.14, 367,821.11 and 125,135.12
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Solution
The fourth proportional to 245,140.14, 367,821.11 and 125,135.12 is: 187,759.28
Step by Step Solution
- Step 1: Write the proportion equation
245,140.14 : 367,821.11 = 125,135.12 : x - Step 2: Convert to fraction form
245,140.14/367,821.11 = 125,135.12/x - Step 3: Cross multiply
245,140.14x = 367,821.11 × 125,135.12 - Step 4: Simplify right side
245,140.14x = 46,027,336,273.60 - Step 5: Solve for x
x = 46,027,336,273.60/245,140.14 - Step 6: Final answer
x = 187,759.28
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1.5x scale
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.