Finding the Fourth Proportional to 240,654.38, 331,998.77 and 145,107.99
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Solution
The fourth proportional to 240,654.38, 331,998.77 and 145,107.99 is: 200,186.15
Step by Step Solution
- Step 1: Write the proportion equation
240,654.38 : 331,998.77 = 145,107.99 : x - Step 2: Convert to fraction form
240,654.38/331,998.77 = 145,107.99/x - Step 3: Cross multiply
240,654.38x = 331,998.77 × 145,107.99 - Step 4: Simplify right side
240,654.38x = 48,175,674,197.17 - Step 5: Solve for x
x = 48,175,674,197.17/240,654.38 - Step 6: Final answer
x = 200,186.15
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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.