Finding the Fourth Proportional to 245,155.68, 367,755.84 and 95,407.20
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Solution
The fourth proportional to 245,155.68, 367,755.84 and 95,407.20 is: 143,119.49
Step by Step Solution
- Step 1: Write the proportion equation
245,155.68 : 367,755.84 = 95,407.20 : x - Step 2: Convert to fraction form
245,155.68/367,755.84 = 95,407.20/x - Step 3: Cross multiply
245,155.68x = 367,755.84 × 95,407.20 - Step 4: Simplify right side
245,155.68x = 35,086,554,978.05 - Step 5: Solve for x
x = 35,086,554,978.05/245,155.68 - Step 6: Final answer
x = 143,119.49
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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.