Finding the Fourth Proportional to 194,983.76, 292,281.88 and 135,694.88
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Solution
The fourth proportional to 194,983.76, 292,281.88 and 135,694.88 is: 203,407.48
Step by Step Solution
- Step 1: Write the proportion equation
194,983.76 : 292,281.88 = 135,694.88 : x - Step 2: Convert to fraction form
194,983.76/292,281.88 = 135,694.88/x - Step 3: Cross multiply
194,983.76x = 292,281.88 × 135,694.88 - Step 4: Simplify right side
194,983.76x = 39,661,154,632.77 - Step 5: Solve for x
x = 39,661,154,632.77/194,983.76 - Step 6: Final answer
x = 203,407.48
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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.