Finding the Fourth Proportional to 103,269.15, 154,919.93 and 44,105.13
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Solution
The fourth proportional to 103,269.15, 154,919.93 and 44,105.13 is: 66,164.62
Step by Step Solution
- Step 1: Write the proportion equation
103,269.15 : 154,919.93 = 44,105.13 : x - Step 2: Convert to fraction form
103,269.15/154,919.93 = 44,105.13/x - Step 3: Cross multiply
103,269.15x = 154,919.93 × 44,105.13 - Step 4: Simplify right side
103,269.15x = 6,832,763,652.24 - Step 5: Solve for x
x = 6,832,763,652.24/103,269.15 - Step 6: Final answer
x = 66,164.62
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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.