Finding the Fourth Proportional to 266,208.66, 399,115.89 and 125,803.26
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Solution
The fourth proportional to 266,208.66, 399,115.89 and 125,803.26 is: 188,611.75
Step by Step Solution
- Step 1: Write the proportion equation
266,208.66 : 399,115.89 = 125,803.26 : x - Step 2: Convert to fraction form
266,208.66/399,115.89 = 125,803.26/x - Step 3: Cross multiply
266,208.66x = 399,115.89 × 125,803.26 - Step 4: Simplify right side
266,208.66x = 50,210,080,079.80 - Step 5: Solve for x
x = 50,210,080,079.80/266,208.66 - Step 6: Final answer
x = 188,611.75
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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.