Finding the Fourth Proportional to 297,256.81, 445,899.84 and 119,739.82
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Solution
The fourth proportional to 297,256.81, 445,899.84 and 119,739.82 is: 179,615.62
Step by Step Solution
- Step 1: Write the proportion equation
297,256.81 : 445,899.84 = 119,739.82 : x - Step 2: Convert to fraction form
297,256.81/445,899.84 = 119,739.82/x - Step 3: Cross multiply
297,256.81x = 445,899.84 × 119,739.82 - Step 4: Simplify right side
297,256.81x = 53,391,966,579.63 - Step 5: Solve for x
x = 53,391,966,579.63/297,256.81 - Step 6: Final answer
x = 179,615.62
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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.