Finding the Fourth Proportional to 239,280.41, 330,221.68 and 131,850.43
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Solution
The fourth proportional to 239,280.41, 330,221.68 and 131,850.43 is: 181,961.69
Step by Step Solution
- Step 1: Write the proportion equation
239,280.41 : 330,221.68 = 131,850.43 : x - Step 2: Convert to fraction form
239,280.41/330,221.68 = 131,850.43/x - Step 3: Cross multiply
239,280.41x = 330,221.68 × 131,850.43 - Step 4: Simplify right side
239,280.41x = 43,539,869,348.14 - Step 5: Solve for x
x = 43,539,869,348.14/239,280.41 - Step 6: Final answer
x = 181,961.69
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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.