Finding the Fourth Proportional to 479,405.56, 718,921.54 and 179,722.68
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Solution
The fourth proportional to 479,405.56, 718,921.54 and 179,722.68 is: 269,513.99
Step by Step Solution
- Step 1: Write the proportion equation
479,405.56 : 718,921.54 = 179,722.68 : x - Step 2: Convert to fraction form
479,405.56/718,921.54 = 179,722.68/x - Step 3: Cross multiply
479,405.56x = 718,921.54 × 179,722.68 - Step 4: Simplify right side
479,405.56x = 129,206,505,878.53 - Step 5: Solve for x
x = 129,206,505,878.53/479,405.56 - Step 6: Final answer
x = 269,513.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.