Finding the Fourth Proportional to 300,274.99, 414,384.74 and 164,320.99
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Solution
The fourth proportional to 300,274.99, 414,384.74 and 164,320.99 is: 226,765.84
Step by Step Solution
- Step 1: Write the proportion equation
300,274.99 : 414,384.74 = 164,320.99 : x - Step 2: Convert to fraction form
300,274.99/414,384.74 = 164,320.99/x - Step 3: Cross multiply
300,274.99x = 414,384.74 × 164,320.99 - Step 4: Simplify right side
300,274.99x = 68,092,109,896.09 - Step 5: Solve for x
x = 68,092,109,896.09/300,274.99 - Step 6: Final answer
x = 226,765.84
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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.