Finding the Fourth Proportional to 262,476.87, 393,778.02 and 84,984.08
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Solution
The fourth proportional to 262,476.87, 393,778.02 and 84,984.08 is: 127,496.42
Step by Step Solution
- Step 1: Write the proportion equation
262,476.87 : 393,778.02 = 84,984.08 : x - Step 2: Convert to fraction form
262,476.87/393,778.02 = 84,984.08/x - Step 3: Cross multiply
262,476.87x = 393,778.02 × 84,984.08 - Step 4: Simplify right side
262,476.87x = 33,464,860,785.03 - Step 5: Solve for x
x = 33,464,860,785.03/262,476.87 - Step 6: Final answer
x = 127,496.42
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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.