Finding the Fourth Proportional to 300,321.62, 414,438.29 and 164,352.84
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Solution
The fourth proportional to 300,321.62, 414,438.29 and 164,352.84 is: 226,803.88
Step by Step Solution
- Step 1: Write the proportion equation
300,321.62 : 414,438.29 = 164,352.84 : x - Step 2: Convert to fraction form
300,321.62/414,438.29 = 164,352.84/x - Step 3: Cross multiply
300,321.62x = 414,438.29 × 164,352.84 - Step 4: Simplify right side
300,321.62x = 68,114,109,966.24 - Step 5: Solve for x
x = 68,114,109,966.24/300,321.62 - Step 6: Final answer
x = 226,803.88
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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.