Finding the Fourth Proportional to 214,765.02, 296,404.11 and 129,865.68
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Solution
The fourth proportional to 214,765.02, 296,404.11 and 129,865.68 is: 179,231.80
Step by Step Solution
- Step 1: Write the proportion equation
214,765.02 : 296,404.11 = 129,865.68 : x - Step 2: Convert to fraction form
214,765.02/296,404.11 = 129,865.68/x - Step 3: Cross multiply
214,765.02x = 296,404.11 × 129,865.68 - Step 4: Simplify right side
214,765.02x = 38,492,721,299.94 - Step 5: Solve for x
x = 38,492,721,299.94/214,765.02 - Step 6: Final answer
x = 179,231.80
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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.