Finding the Fourth Proportional to 141,187.14, 210,535.25 and 121,591.62
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Solution
The fourth proportional to 141,187.14, 210,535.25 and 121,591.62 is: 181,314.82
Step by Step Solution
- Step 1: Write the proportion equation
141,187.14 : 210,535.25 = 121,591.62 : x - Step 2: Convert to fraction form
141,187.14/210,535.25 = 121,591.62/x - Step 3: Cross multiply
141,187.14x = 210,535.25 × 121,591.62 - Step 4: Simplify right side
141,187.14x = 25,599,321,506.65 - Step 5: Solve for x
x = 25,599,321,506.65/141,187.14 - Step 6: Final answer
x = 181,314.82
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.