Finding the Fourth Proportional to 275,162.24, 379,778.35 and 178,485.91
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Solution
The fourth proportional to 275,162.24, 379,778.35 and 178,485.91 is: 246,345.88
Step by Step Solution
- Step 1: Write the proportion equation
275,162.24 : 379,778.35 = 178,485.91 : x - Step 2: Convert to fraction form
275,162.24/379,778.35 = 178,485.91/x - Step 3: Cross multiply
275,162.24x = 379,778.35 × 178,485.91 - Step 4: Simplify right side
275,162.24x = 67,785,084,398.05 - Step 5: Solve for x
x = 67,785,084,398.05/275,162.24 - Step 6: Final answer
x = 246,345.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.