Finding the Fourth Proportional to 72,231.13, 108,248.28 and 44,160.99
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Solution
The fourth proportional to 72,231.13, 108,248.28 and 44,160.99 is: 66,181.32
Step by Step Solution
- Step 1: Write the proportion equation
72,231.13 : 108,248.28 = 44,160.99 : x - Step 2: Convert to fraction form
72,231.13/108,248.28 = 44,160.99/x - Step 3: Cross multiply
72,231.13x = 108,248.28 × 44,160.99 - Step 4: Simplify right side
72,231.13x = 4,780,351,210.60 - Step 5: Solve for x
x = 4,780,351,210.60/72,231.13 - Step 6: Final answer
x = 66,181.32
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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.