Finding the Fourth Proportional to 147,524.13, 203,414.81 and 121,254.62
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Solution
The fourth proportional to 147,524.13, 203,414.81 and 121,254.62 is: 167,192.88
Step by Step Solution
- Step 1: Write the proportion equation
147,524.13 : 203,414.81 = 121,254.62 : x - Step 2: Convert to fraction form
147,524.13/203,414.81 = 121,254.62/x - Step 3: Cross multiply
147,524.13x = 203,414.81 × 121,254.62 - Step 4: Simplify right side
147,524.13x = 24,664,983,865.58 - Step 5: Solve for x
x = 24,664,983,865.58/147,524.13 - Step 6: Final answer
x = 167,192.88
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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.