Finding the Fourth Proportional to 278,121.37, 417,161.08 and 88,574.08
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Solution
The fourth proportional to 278,121.37, 417,161.08 and 88,574.08 is: 132,854.43
Step by Step Solution
- Step 1: Write the proportion equation
278,121.37 : 417,161.08 = 88,574.08 : x - Step 2: Convert to fraction form
278,121.37/417,161.08 = 88,574.08/x - Step 3: Cross multiply
278,121.37x = 417,161.08 × 88,574.08 - Step 4: Simplify right side
278,121.37x = 36,949,656,344.13 - Step 5: Solve for x
x = 36,949,656,344.13/278,121.37 - Step 6: Final answer
x = 132,854.43
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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.