Finding the Fourth Proportional to 119,287.24, 178,819.62 and 40,346.53
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Solution
The fourth proportional to 119,287.24, 178,819.62 and 40,346.53 is: 60,482.17
Step by Step Solution
- Step 1: Write the proportion equation
119,287.24 : 178,819.62 = 40,346.53 : x - Step 2: Convert to fraction form
119,287.24/178,819.62 = 40,346.53/x - Step 3: Cross multiply
119,287.24x = 178,819.62 × 40,346.53 - Step 4: Simplify right side
119,287.24x = 7,214,751,162.92 - Step 5: Solve for x
x = 7,214,751,162.92/119,287.24 - Step 6: Final answer
x = 60,482.17
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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.