Finding the Fourth Proportional to 137,107.10, 205,660.24 and 48,339.20
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Solution
The fourth proportional to 137,107.10, 205,660.24 and 48,339.20 is: 72,508.65
Step by Step Solution
- Step 1: Write the proportion equation
137,107.10 : 205,660.24 = 48,339.20 : x - Step 2: Convert to fraction form
137,107.10/205,660.24 = 48,339.20/x - Step 3: Cross multiply
137,107.10x = 205,660.24 × 48,339.20 - Step 4: Simplify right side
137,107.10x = 9,941,450,203.41 - Step 5: Solve for x
x = 9,941,450,203.41/137,107.10 - Step 6: Final answer
x = 72,508.65
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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.