Finding the Fourth Proportional to 195,425.80, 293,138.70 and 133,217.80
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Solution
The fourth proportional to 195,425.80, 293,138.70 and 133,217.80 is: 199,826.70
Step by Step Solution
- Step 1: Write the proportion equation
195,425.80 : 293,138.70 = 133,217.80 : x - Step 2: Convert to fraction form
195,425.80/293,138.70 = 133,217.80/x - Step 3: Cross multiply
195,425.80x = 293,138.70 × 133,217.80 - Step 4: Simplify right side
195,425.80x = 39,051,292,708.86 - Step 5: Solve for x
x = 39,051,292,708.86/195,425.80 - Step 6: Final answer
x = 199,826.70
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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.