Finding the Fourth Proportional to 299,434.76, 413,226.21 and 163,474.44
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Solution
The fourth proportional to 299,434.76, 413,226.21 and 163,474.44 is: 225,598.14
Step by Step Solution
- Step 1: Write the proportion equation
299,434.76 : 413,226.21 = 163,474.44 : x - Step 2: Convert to fraction form
299,434.76/413,226.21 = 163,474.44/x - Step 3: Cross multiply
299,434.76x = 413,226.21 × 163,474.44 - Step 4: Simplify right side
299,434.76x = 67,551,923,273.07 - Step 5: Solve for x
x = 67,551,923,273.07/299,434.76 - Step 6: Final answer
x = 225,598.14
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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.