Finding the Fourth Proportional to 351,487.15, 527,121.60 and 126,818.31
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Solution
The fourth proportional to 351,487.15, 527,121.60 and 126,818.31 is: 190,188.09
Step by Step Solution
- Step 1: Write the proportion equation
351,487.15 : 527,121.60 = 126,818.31 : x - Step 2: Convert to fraction form
351,487.15/527,121.60 = 126,818.31/x - Step 3: Cross multiply
351,487.15x = 527,121.60 × 126,818.31 - Step 4: Simplify right side
351,487.15x = 66,848,669,842.40 - Step 5: Solve for x
x = 66,848,669,842.40/351,487.15 - Step 6: Final answer
x = 190,188.09
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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.