Finding the Fourth Proportional to 209,087.84, 288,541.44 and 113,594.48
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Solution
The fourth proportional to 209,087.84, 288,541.44 and 113,594.48 is: 156,760.50
Step by Step Solution
- Step 1: Write the proportion equation
209,087.84 : 288,541.44 = 113,594.48 : x - Step 2: Convert to fraction form
209,087.84/288,541.44 = 113,594.48/x - Step 3: Cross multiply
209,087.84x = 288,541.44 × 113,594.48 - Step 4: Simplify right side
209,087.84x = 32,776,714,835.25 - Step 5: Solve for x
x = 32,776,714,835.25/209,087.84 - Step 6: Final answer
x = 156,760.50
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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.