Finding the Fourth Proportional to 125,283.21, 187,899.32 and 46,378.68
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Solution
The fourth proportional to 125,283.21, 187,899.32 and 46,378.68 is: 69,558.58
Step by Step Solution
- Step 1: Write the proportion equation
125,283.21 : 187,899.32 = 46,378.68 : x - Step 2: Convert to fraction form
125,283.21/187,899.32 = 46,378.68/x - Step 3: Cross multiply
125,283.21x = 187,899.32 × 46,378.68 - Step 4: Simplify right side
125,283.21x = 8,714,522,202.60 - Step 5: Solve for x
x = 8,714,522,202.60/125,283.21 - Step 6: Final answer
x = 69,558.58
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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.