Finding the Fourth Proportional to 157,009.97, 235,408.35 and 79,883.42
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Solution
The fourth proportional to 157,009.97, 235,408.35 and 79,883.42 is: 119,770.88
Step by Step Solution
- Step 1: Write the proportion equation
157,009.97 : 235,408.35 = 79,883.42 : x - Step 2: Convert to fraction form
157,009.97/235,408.35 = 79,883.42/x - Step 3: Cross multiply
157,009.97x = 235,408.35 × 79,883.42 - Step 4: Simplify right side
157,009.97x = 18,805,222,992.41 - Step 5: Solve for x
x = 18,805,222,992.41/157,009.97 - Step 6: Final answer
x = 119,770.88
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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.