Finding the Fourth Proportional to 268,519.83, 402,779.73 and 127,851.99
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Solution
The fourth proportional to 268,519.83, 402,779.73 and 127,851.99 is: 191,777.98
Step by Step Solution
- Step 1: Write the proportion equation
268,519.83 : 402,779.73 = 127,851.99 : x - Step 2: Convert to fraction form
268,519.83/402,779.73 = 127,851.99/x - Step 3: Cross multiply
268,519.83x = 402,779.73 × 127,851.99 - Step 4: Simplify right side
268,519.83x = 51,496,190,012.16 - Step 5: Solve for x
x = 51,496,190,012.16/268,519.83 - Step 6: Final answer
x = 191,777.98
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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.