Finding the Fourth Proportional to 243,294.77, 335,732.87 and 145,288.62
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Solution
The fourth proportional to 243,294.77, 335,732.87 and 145,288.62 is: 200,489.99
Step by Step Solution
- Step 1: Write the proportion equation
243,294.77 : 335,732.87 = 145,288.62 : x - Step 2: Convert to fraction form
243,294.77/335,732.87 = 145,288.62/x - Step 3: Cross multiply
243,294.77x = 335,732.87 × 145,288.62 - Step 4: Simplify right side
243,294.77x = 48,778,165,734.16 - Step 5: Solve for x
x = 48,778,165,734.16/243,294.77 - Step 6: Final answer
x = 200,489.99
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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.