Finding the Fourth Proportional to 214,471.02, 321,497.35 and 102,121.05
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Solution
The fourth proportional to 214,471.02, 321,497.35 and 102,121.05 is: 153,081.97
Step by Step Solution
- Step 1: Write the proportion equation
214,471.02 : 321,497.35 = 102,121.05 : x - Step 2: Convert to fraction form
214,471.02/321,497.35 = 102,121.05/x - Step 3: Cross multiply
214,471.02x = 321,497.35 × 102,121.05 - Step 4: Simplify right side
214,471.02x = 32,831,646,698.91 - Step 5: Solve for x
x = 32,831,646,698.91/214,471.02 - Step 6: Final answer
x = 153,081.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.