Finding the Fourth Proportional to 214,820.26, 296,404.23 and 129,935.50
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Solution
The fourth proportional to 214,820.26, 296,404.23 and 129,935.50 is: 179,282.12
Step by Step Solution
- Step 1: Write the proportion equation
214,820.26 : 296,404.23 = 129,935.50 : x - Step 2: Convert to fraction form
214,820.26/296,404.23 = 129,935.50/x - Step 3: Cross multiply
214,820.26x = 296,404.23 × 129,935.50 - Step 4: Simplify right side
214,820.26x = 38,513,431,086.15 - Step 5: Solve for x
x = 38,513,431,086.15/214,820.26 - Step 6: Final answer
x = 179,282.12
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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.