Finding the Fourth Proportional to 142,903.44, 214,279.29 and 48,101.99
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Solution
The fourth proportional to 142,903.44, 214,279.29 and 48,101.99 is: 72,127.44
Step by Step Solution
- Step 1: Write the proportion equation
142,903.44 : 214,279.29 = 48,101.99 : x - Step 2: Convert to fraction form
142,903.44/214,279.29 = 48,101.99/x - Step 3: Cross multiply
142,903.44x = 214,279.29 × 48,101.99 - Step 4: Simplify right side
142,903.44x = 10,307,259,193.39 - Step 5: Solve for x
x = 10,307,259,193.39/142,903.44 - Step 6: Final answer
x = 72,127.44
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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.