Finding the Fourth Proportional to 300,302.12, 414,416.94 and 164,336.08
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Solution
The fourth proportional to 300,302.12, 414,416.94 and 164,336.08 is: 226,783.79
Step by Step Solution
- Step 1: Write the proportion equation
300,302.12 : 414,416.94 = 164,336.08 : x - Step 2: Convert to fraction form
300,302.12/414,416.94 = 164,336.08/x - Step 3: Cross multiply
300,302.12x = 414,416.94 × 164,336.08 - Step 4: Simplify right side
300,302.12x = 68,103,654,004.92 - Step 5: Solve for x
x = 68,103,654,004.92/300,302.12 - Step 6: Final answer
x = 226,783.79
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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.