Finding the Fourth Proportional to 204,779.26, 307,108.68 and 71,634.70
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Solution
The fourth proportional to 204,779.26, 307,108.68 and 71,634.70 is: 107,430.99
Step by Step Solution
- Step 1: Write the proportion equation
204,779.26 : 307,108.68 = 71,634.70 : x - Step 2: Convert to fraction form
204,779.26/307,108.68 = 71,634.70/x - Step 3: Cross multiply
204,779.26x = 307,108.68 × 71,634.70 - Step 4: Simplify right side
204,779.26x = 21,999,638,159.20 - Step 5: Solve for x
x = 21,999,638,159.20/204,779.26 - Step 6: Final answer
x = 107,430.99
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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.