Finding the Fourth Proportional to 214,244.68, 321,266.30 and 79,215.46
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Solution
The fourth proportional to 214,244.68, 321,266.30 and 79,215.46 is: 118,785.94
Step by Step Solution
- Step 1: Write the proportion equation
214,244.68 : 321,266.30 = 79,215.46 : x - Step 2: Convert to fraction form
214,244.68/321,266.30 = 79,215.46/x - Step 3: Cross multiply
214,244.68x = 321,266.30 × 79,215.46 - Step 4: Simplify right side
214,244.68x = 25,449,255,734.59 - Step 5: Solve for x
x = 25,449,255,734.59/214,244.68 - Step 6: Final answer
x = 118,785.94
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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.