Finding the Fourth Proportional to 225,840.56, 311,625.63 and 129,027.53
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Solution
The fourth proportional to 225,840.56, 311,625.63 and 129,027.53 is: 178,038.38
Step by Step Solution
- Step 1: Write the proportion equation
225,840.56 : 311,625.63 = 129,027.53 : x - Step 2: Convert to fraction form
225,840.56/311,625.63 = 129,027.53/x - Step 3: Cross multiply
225,840.56x = 311,625.63 × 129,027.53 - Step 4: Simplify right side
225,840.56x = 40,208,286,102.66 - Step 5: Solve for x
x = 40,208,286,102.66/225,840.56 - Step 6: Final answer
x = 178,038.38
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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.