Finding the Fourth Proportional to 264,343.48, 396,908.86 and 106,879.48
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Solution
The fourth proportional to 264,343.48, 396,908.86 and 106,879.48 is: 160,478.38
Step by Step Solution
- Step 1: Write the proportion equation
264,343.48 : 396,908.86 = 106,879.48 : x - Step 2: Convert to fraction form
264,343.48/396,908.86 = 106,879.48/x - Step 3: Cross multiply
264,343.48x = 396,908.86 × 106,879.48 - Step 4: Simplify right side
264,343.48x = 42,421,412,564.19 - Step 5: Solve for x
x = 42,421,412,564.19/264,343.48 - Step 6: Final answer
x = 160,478.38
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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.