Finding the Fourth Proportional to 245,872.20, 368,894.70 and 88,105.80
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Solution
The fourth proportional to 245,872.20, 368,894.70 and 88,105.80 is: 132,189.66
Step by Step Solution
- Step 1: Write the proportion equation
245,872.20 : 368,894.70 = 88,105.80 : x - Step 2: Convert to fraction form
245,872.20/368,894.70 = 88,105.80/x - Step 3: Cross multiply
245,872.20x = 368,894.70 × 88,105.80 - Step 4: Simplify right side
245,872.20x = 32,501,762,659.26 - Step 5: Solve for x
x = 32,501,762,659.26/245,872.20 - Step 6: Final answer
x = 132,189.66
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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.