Finding the Fourth Proportional to 266,231.24, 399,539.54 and 104,149.19
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Solution
The fourth proportional to 266,231.24, 399,539.54 and 104,149.19 is: 156,299.17
Step by Step Solution
- Step 1: Write the proportion equation
266,231.24 : 399,539.54 = 104,149.19 : x - Step 2: Convert to fraction form
266,231.24/399,539.54 = 104,149.19/x - Step 3: Cross multiply
266,231.24x = 399,539.54 × 104,149.19 - Step 4: Simplify right side
266,231.24x = 41,611,720,723.19 - Step 5: Solve for x
x = 41,611,720,723.19/266,231.24 - Step 6: Final answer
x = 156,299.17
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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.