Finding the Fourth Proportional to 270,767.31, 406,197.06 and 135,895.68
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Solution
The fourth proportional to 270,767.31, 406,197.06 and 135,895.68 is: 203,866.65
Step by Step Solution
- Step 1: Write the proportion equation
270,767.31 : 406,197.06 = 135,895.68 : x - Step 2: Convert to fraction form
270,767.31/406,197.06 = 135,895.68/x - Step 3: Cross multiply
270,767.31x = 406,197.06 × 135,895.68 - Step 4: Simplify right side
270,767.31x = 55,200,425,682.70 - Step 5: Solve for x
x = 55,200,425,682.70/270,767.31 - Step 6: Final answer
x = 203,866.65
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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.