Finding the Fourth Proportional to 250,463.37, 345,643.64 and 135,745.70
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Solution
The fourth proportional to 250,463.37, 345,643.64 and 135,745.70 is: 187,331.33
Step by Step Solution
- Step 1: Write the proportion equation
250,463.37 : 345,643.64 = 135,745.70 : x - Step 2: Convert to fraction form
250,463.37/345,643.64 = 135,745.70/x - Step 3: Cross multiply
250,463.37x = 345,643.64 × 135,745.70 - Step 4: Simplify right side
250,463.37x = 46,919,636,134.13 - Step 5: Solve for x
x = 46,919,636,134.13/250,463.37 - Step 6: Final answer
x = 187,331.33
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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.