Finding the Fourth Proportional to 80,796.84, 121,203.24 and 30,918.84
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Solution
The fourth proportional to 80,796.84, 121,203.24 and 30,918.84 is: 46,381.31
Step by Step Solution
- Step 1: Write the proportion equation
80,796.84 : 121,203.24 = 30,918.84 : x - Step 2: Convert to fraction form
80,796.84/121,203.24 = 30,918.84/x - Step 3: Cross multiply
80,796.84x = 121,203.24 × 30,918.84 - Step 4: Simplify right side
80,796.84x = 3,747,463,585.04 - Step 5: Solve for x
x = 3,747,463,585.04/80,796.84 - Step 6: Final answer
x = 46,381.31
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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.