Finding the Fourth Proportional to 187,918.66, 259,151.58 and 149,804.62
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Solution
The fourth proportional to 187,918.66, 259,151.58 and 149,804.62 is: 206,589.94
Step by Step Solution
- Step 1: Write the proportion equation
187,918.66 : 259,151.58 = 149,804.62 : x - Step 2: Convert to fraction form
187,918.66/259,151.58 = 149,804.62/x - Step 3: Cross multiply
187,918.66x = 259,151.58 × 149,804.62 - Step 4: Simplify right side
187,918.66x = 38,822,103,964.30 - Step 5: Solve for x
x = 38,822,103,964.30/187,918.66 - Step 6: Final answer
x = 206,589.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.