Finding the Fourth Proportional to 231,804.41, 347,706.61 and 126,565.97
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Solution
The fourth proportional to 231,804.41, 347,706.61 and 126,565.97 is: 189,848.95
Step by Step Solution
- Step 1: Write the proportion equation
231,804.41 : 347,706.61 = 126,565.97 : x - Step 2: Convert to fraction form
231,804.41/347,706.61 = 126,565.97/x - Step 3: Cross multiply
231,804.41x = 347,706.61 × 126,565.97 - Step 4: Simplify right side
231,804.41x = 44,007,822,315.11 - Step 5: Solve for x
x = 44,007,822,315.11/231,804.41 - Step 6: Final answer
x = 189,848.95
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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.