Finding the Fourth Proportional to 300,318.04, 414,438.92 and 164,351.98
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Solution
The fourth proportional to 300,318.04, 414,438.92 and 164,351.98 is: 226,805.75
Step by Step Solution
- Step 1: Write the proportion equation
300,318.04 : 414,438.92 = 164,351.98 : x - Step 2: Convert to fraction form
300,318.04/414,438.92 = 164,351.98/x - Step 3: Cross multiply
300,318.04x = 414,438.92 × 164,351.98 - Step 4: Simplify right side
300,318.04x = 68,113,857,091.06 - Step 5: Solve for x
x = 68,113,857,091.06/300,318.04 - Step 6: Final answer
x = 226,805.75
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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.