Finding the Fourth Proportional to 79,171.05, 118,764.09 and 22,244.80
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Solution
The fourth proportional to 79,171.05, 118,764.09 and 22,244.80 is: 33,369.32
Step by Step Solution
- Step 1: Write the proportion equation
79,171.05 : 118,764.09 = 22,244.80 : x - Step 2: Convert to fraction form
79,171.05/118,764.09 = 22,244.80/x - Step 3: Cross multiply
79,171.05x = 118,764.09 × 22,244.80 - Step 4: Simplify right side
79,171.05x = 2,641,883,595.18 - Step 5: Solve for x
x = 2,641,883,595.18/79,171.05 - Step 6: Final answer
x = 33,369.32
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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.