Finding the Fourth Proportional to 214,771.80, 296,408.58 and 122,899.58
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Solution
The fourth proportional to 214,771.80, 296,408.58 and 122,899.58 is: 169,614.86
Step by Step Solution
- Step 1: Write the proportion equation
214,771.80 : 296,408.58 = 122,899.58 : x - Step 2: Convert to fraction form
214,771.80/296,408.58 = 122,899.58/x - Step 3: Cross multiply
214,771.80x = 296,408.58 × 122,899.58 - Step 4: Simplify right side
214,771.80x = 36,428,488,969.23 - Step 5: Solve for x
x = 36,428,488,969.23/214,771.80 - Step 6: Final answer
x = 169,614.86
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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.