Finding the Fourth Proportional to 278,079.48, 417,179.97 and 100,567.98
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Solution
The fourth proportional to 278,079.48, 417,179.97 and 100,567.98 is: 150,873.94
Step by Step Solution
- Step 1: Write the proportion equation
278,079.48 : 417,179.97 = 100,567.98 : x - Step 2: Convert to fraction form
278,079.48/417,179.97 = 100,567.98/x - Step 3: Cross multiply
278,079.48x = 417,179.97 × 100,567.98 - Step 4: Simplify right side
278,079.48x = 41,954,946,879.36 - Step 5: Solve for x
x = 41,954,946,879.36/278,079.48 - Step 6: Final answer
x = 150,873.94
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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.