Finding the Fourth Proportional to 379,847.02, 569,560.19 and 155,365.09
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Solution
The fourth proportional to 379,847.02, 569,560.19 and 155,365.09 is: 232,961.60
Step by Step Solution
- Step 1: Write the proportion equation
379,847.02 : 569,560.19 = 155,365.09 : x - Step 2: Convert to fraction form
379,847.02/569,560.19 = 155,365.09/x - Step 3: Cross multiply
379,847.02x = 569,560.19 × 155,365.09 - Step 4: Simplify right side
379,847.02x = 88,489,770,179.77 - Step 5: Solve for x
x = 88,489,770,179.77/379,847.02 - Step 6: Final answer
x = 232,961.60
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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.