Finding the Fourth Proportional to 181,869.80, 272,804.70 and 125,882.60
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Solution
The fourth proportional to 181,869.80, 272,804.70 and 125,882.60 is: 188,823.90
Step by Step Solution
- Step 1: Write the proportion equation
181,869.80 : 272,804.70 = 125,882.60 : x - Step 2: Convert to fraction form
181,869.80/272,804.70 = 125,882.60/x - Step 3: Cross multiply
181,869.80x = 272,804.70 × 125,882.60 - Step 4: Simplify right side
181,869.80x = 34,341,364,928.22 - Step 5: Solve for x
x = 34,341,364,928.22/181,869.80 - Step 6: Final answer
x = 188,823.90
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1.5x scale
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.