Finding the Fourth Proportional to 327,779.58, 452,351.12 and 198,722.08
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Solution
The fourth proportional to 327,779.58, 452,351.12 and 198,722.08 is: 274,245.75
Step by Step Solution
- Step 1: Write the proportion equation
327,779.58 : 452,351.12 = 198,722.08 : x - Step 2: Convert to fraction form
327,779.58/452,351.12 = 198,722.08/x - Step 3: Cross multiply
327,779.58x = 452,351.12 × 198,722.08 - Step 4: Simplify right side
327,779.58x = 89,892,155,456.73 - Step 5: Solve for x
x = 89,892,155,456.73/327,779.58 - Step 6: Final answer
x = 274,245.75
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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.