Finding the Fourth Proportional to 250,230.28, 345,317.98 and 135,509.84
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Solution
The fourth proportional to 250,230.28, 345,317.98 and 135,509.84 is: 187,003.68
Step by Step Solution
- Step 1: Write the proportion equation
250,230.28 : 345,317.98 = 135,509.84 : x - Step 2: Convert to fraction form
250,230.28/345,317.98 = 135,509.84/x - Step 3: Cross multiply
250,230.28x = 345,317.98 × 135,509.84 - Step 4: Simplify right side
250,230.28x = 46,793,984,218.92 - Step 5: Solve for x
x = 46,793,984,218.92/250,230.28 - Step 6: Final answer
x = 187,003.68
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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.