Finding the Fourth Proportional to 79,242.96, 118,858.38 and 29,299.68
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Solution
The fourth proportional to 79,242.96, 118,858.38 and 29,299.68 is: 43,947.28
Step by Step Solution
- Step 1: Write the proportion equation
79,242.96 : 118,858.38 = 29,299.68 : x - Step 2: Convert to fraction form
79,242.96/118,858.38 = 29,299.68/x - Step 3: Cross multiply
79,242.96x = 118,858.38 × 29,299.68 - Step 4: Simplify right side
79,242.96x = 3,482,512,499.32 - Step 5: Solve for x
x = 3,482,512,499.32/79,242.96 - Step 6: Final answer
x = 43,947.28
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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.