Finding the Fourth Proportional to 262,026.23, 392,759.10 and 135,539.19
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Solution
The fourth proportional to 262,026.23, 392,759.10 and 135,539.19 is: 203,163.83
Step by Step Solution
- Step 1: Write the proportion equation
262,026.23 : 392,759.10 = 135,539.19 : x - Step 2: Convert to fraction form
262,026.23/392,759.10 = 135,539.19/x - Step 3: Cross multiply
262,026.23x = 392,759.10 × 135,539.19 - Step 4: Simplify right side
262,026.23x = 53,234,250,279.13 - Step 5: Solve for x
x = 53,234,250,279.13/262,026.23 - Step 6: Final answer
x = 203,163.83
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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.