Finding the Fourth Proportional to 225,596.16, 311,355.36 and 130,083.84
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Solution
The fourth proportional to 225,596.16, 311,355.36 and 130,083.84 is: 179,534.53
Step by Step Solution
- Step 1: Write the proportion equation
225,596.16 : 311,355.36 = 130,083.84 : x - Step 2: Convert to fraction form
225,596.16/311,355.36 = 130,083.84/x - Step 3: Cross multiply
225,596.16x = 311,355.36 × 130,083.84 - Step 4: Simplify right side
225,596.16x = 40,502,300,833.38 - Step 5: Solve for x
x = 40,502,300,833.38/225,596.16 - Step 6: Final answer
x = 179,534.53
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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.