Finding the Fourth Proportional to 266,539.08, 399,611.70 and 126,133.32
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Solution
The fourth proportional to 266,539.08, 399,611.70 and 126,133.32 is: 189,106.79
Step by Step Solution
- Step 1: Write the proportion equation
266,539.08 : 399,611.70 = 126,133.32 : x - Step 2: Convert to fraction form
266,539.08/399,611.70 = 126,133.32/x - Step 3: Cross multiply
266,539.08x = 399,611.70 × 126,133.32 - Step 4: Simplify right side
266,539.08x = 50,404,350,431.84 - Step 5: Solve for x
x = 50,404,350,431.84/266,539.08 - Step 6: Final answer
x = 189,106.79
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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.