Finding the Fourth Proportional to 266,231.05, 399,539.26 and 104,149.00
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Solution
The fourth proportional to 266,231.05, 399,539.26 and 104,149.00 is: 156,298.88
Step by Step Solution
- Step 1: Write the proportion equation
266,231.05 : 399,539.26 = 104,149.00 : x - Step 2: Convert to fraction form
266,231.05/399,539.26 = 104,149.00/x - Step 3: Cross multiply
266,231.05x = 399,539.26 × 104,149.00 - Step 4: Simplify right side
266,231.05x = 41,611,615,019.35 - Step 5: Solve for x
x = 41,611,615,019.35/266,231.05 - Step 6: Final answer
x = 156,298.88
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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.