Finding the Fourth Proportional to 467,748.36, 645,457.68 and 276,724.44
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Solution
The fourth proportional to 467,748.36, 645,457.68 and 276,724.44 is: 381,858.99
Step by Step Solution
- Step 1: Write the proportion equation
467,748.36 : 645,457.68 = 276,724.44 : x - Step 2: Convert to fraction form
467,748.36/645,457.68 = 276,724.44/x - Step 3: Cross multiply
467,748.36x = 645,457.68 × 276,724.44 - Step 4: Simplify right side
467,748.36x = 178,613,915,041.70 - Step 5: Solve for x
x = 178,613,915,041.70/467,748.36 - Step 6: Final answer
x = 381,858.99
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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.