Finding the Fourth Proportional to 297,126.96, 445,821.12 and 119,979.96
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Solution
The fourth proportional to 297,126.96, 445,821.12 and 119,979.96 is: 180,022.71
Step by Step Solution
- Step 1: Write the proportion equation
297,126.96 : 445,821.12 = 119,979.96 : x - Step 2: Convert to fraction form
297,126.96/445,821.12 = 119,979.96/x - Step 3: Cross multiply
297,126.96x = 445,821.12 × 119,979.96 - Step 4: Simplify right side
297,126.96x = 53,489,600,144.76 - Step 5: Solve for x
x = 53,489,600,144.76/297,126.96 - Step 6: Final answer
x = 180,022.71
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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.