Finding the Fourth Proportional to 250,266.11, 345,367.09 and 135,544.75
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Solution
The fourth proportional to 250,266.11, 345,367.09 and 135,544.75 is: 187,051.68
Step by Step Solution
- Step 1: Write the proportion equation
250,266.11 : 345,367.09 = 135,544.75 : x - Step 2: Convert to fraction form
250,266.11/345,367.09 = 135,544.75/x - Step 3: Cross multiply
250,266.11x = 345,367.09 × 135,544.75 - Step 4: Simplify right side
250,266.11x = 46,812,695,178.29 - Step 5: Solve for x
x = 46,812,695,178.29/250,266.11 - Step 6: Final answer
x = 187,051.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.