Finding the Fourth Proportional to 185,762.76, 256,350.36 and 100,880.44
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Solution
The fourth proportional to 185,762.76, 256,350.36 and 100,880.44 is: 139,213.79
Step by Step Solution
- Step 1: Write the proportion equation
185,762.76 : 256,350.36 = 100,880.44 : x - Step 2: Convert to fraction form
185,762.76/256,350.36 = 100,880.44/x - Step 3: Cross multiply
185,762.76x = 256,350.36 × 100,880.44 - Step 4: Simplify right side
185,762.76x = 25,860,737,110.96 - Step 5: Solve for x
x = 25,860,737,110.96/185,762.76 - Step 6: Final answer
x = 139,213.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.