Finding the Fourth Proportional to 346,481.86, 519,741.42 and 109,842.99
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Solution
The fourth proportional to 346,481.86, 519,741.42 and 109,842.99 is: 164,770.39
Step by Step Solution
- Step 1: Write the proportion equation
346,481.86 : 519,741.42 = 109,842.99 : x - Step 2: Convert to fraction form
346,481.86/519,741.42 = 109,842.99/x - Step 3: Cross multiply
346,481.86x = 519,741.42 × 109,842.99 - Step 4: Simplify right side
346,481.86x = 57,089,951,599.65 - Step 5: Solve for x
x = 57,089,951,599.65/346,481.86 - Step 6: Final answer
x = 164,770.39
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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.