Finding the Fourth Proportional to 89,454.64, 134,161.19 and 26,257.79
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Solution
The fourth proportional to 89,454.64, 134,161.19 and 26,257.79 is: 39,380.58
Step by Step Solution
- Step 1: Write the proportion equation
89,454.64 : 134,161.19 = 26,257.79 : x - Step 2: Convert to fraction form
89,454.64/134,161.19 = 26,257.79/x - Step 3: Cross multiply
89,454.64x = 134,161.19 × 26,257.79 - Step 4: Simplify right side
89,454.64x = 3,522,775,827.24 - Step 5: Solve for x
x = 3,522,775,827.24/89,454.64 - Step 6: Final answer
x = 39,380.58
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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.