Finding the Fourth Proportional to 382,998.36, 574,582.68 and 116,779.44
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Solution
The fourth proportional to 382,998.36, 574,582.68 and 116,779.44 is: 175,195.12
Step by Step Solution
- Step 1: Write the proportion equation
382,998.36 : 574,582.68 = 116,779.44 : x - Step 2: Convert to fraction form
382,998.36/574,582.68 = 116,779.44/x - Step 3: Cross multiply
382,998.36x = 574,582.68 × 116,779.44 - Step 4: Simplify right side
382,998.36x = 67,099,443,604.10 - Step 5: Solve for x
x = 67,099,443,604.10/382,998.36 - Step 6: Final answer
x = 175,195.12
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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.