Finding the Fourth Proportional to 202,762.94, 279,847.58 and 117,929.21
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Solution
The fourth proportional to 202,762.94, 279,847.58 and 117,929.21 is: 162,762.50
Step by Step Solution
- Step 1: Write the proportion equation
202,762.94 : 279,847.58 = 117,929.21 : x - Step 2: Convert to fraction form
202,762.94/279,847.58 = 117,929.21/x - Step 3: Cross multiply
202,762.94x = 279,847.58 × 117,929.21 - Step 4: Simplify right side
202,762.94x = 33,002,202,040.93 - Step 5: Solve for x
x = 33,002,202,040.93/202,762.94 - Step 6: Final answer
x = 162,762.50
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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.