Finding the Fourth Proportional to 118,190.22, 177,246.84 and 39,283.26
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Solution
The fourth proportional to 118,190.22, 177,246.84 and 39,283.26 is: 58,912.10
Step by Step Solution
- Step 1: Write the proportion equation
118,190.22 : 177,246.84 = 39,283.26 : x - Step 2: Convert to fraction form
118,190.22/177,246.84 = 39,283.26/x - Step 3: Cross multiply
118,190.22x = 177,246.84 × 39,283.26 - Step 4: Simplify right side
118,190.22x = 6,962,833,699.90 - Step 5: Solve for x
x = 6,962,833,699.90/118,190.22 - Step 6: Final answer
x = 58,912.10
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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.