Finding the Fourth Proportional to 187,989.96, 281,326.02 and 134,740.65
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Solution
The fourth proportional to 187,989.96, 281,326.02 and 134,740.65 is: 201,638.70
Step by Step Solution
- Step 1: Write the proportion equation
187,989.96 : 281,326.02 = 134,740.65 : x - Step 2: Convert to fraction form
187,989.96/281,326.02 = 134,740.65/x - Step 3: Cross multiply
187,989.96x = 281,326.02 × 134,740.65 - Step 4: Simplify right side
187,989.96x = 37,906,050,796.71 - Step 5: Solve for x
x = 37,906,050,796.71/187,989.96 - Step 6: Final answer
x = 201,638.70
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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.