Finding the Fourth Proportional to 638,742.24, 957,949.88 and 189,358.02
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Solution
The fourth proportional to 638,742.24, 957,949.88 and 189,358.02 is: 283,988.56
Step by Step Solution
- Step 1: Write the proportion equation
638,742.24 : 957,949.88 = 189,358.02 : x - Step 2: Convert to fraction form
638,742.24/957,949.88 = 189,358.02/x - Step 3: Cross multiply
638,742.24x = 957,949.88 × 189,358.02 - Step 4: Simplify right side
638,742.24x = 181,395,491,589.25 - Step 5: Solve for x
x = 181,395,491,589.25/638,742.24 - Step 6: Final answer
x = 283,988.56
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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.