Finding the Fourth Proportional to 160,268.22, 239,880.79 and 118,131.41
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Solution
The fourth proportional to 160,268.22, 239,880.79 and 118,131.41 is: 176,812.70
Step by Step Solution
- Step 1: Write the proportion equation
160,268.22 : 239,880.79 = 118,131.41 : x - Step 2: Convert to fraction form
160,268.22/239,880.79 = 118,131.41/x - Step 3: Cross multiply
160,268.22x = 239,880.79 × 118,131.41 - Step 4: Simplify right side
160,268.22x = 28,337,456,701.98 - Step 5: Solve for x
x = 28,337,456,701.98/160,268.22 - Step 6: Final answer
x = 176,812.70
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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.