Finding the Fourth Proportional to 171,415.88, 236,475.36 and 111,005.98
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Solution
The fourth proportional to 171,415.88, 236,475.36 and 111,005.98 is: 153,137.38
Step by Step Solution
- Step 1: Write the proportion equation
171,415.88 : 236,475.36 = 111,005.98 : x - Step 2: Convert to fraction form
171,415.88/236,475.36 = 111,005.98/x - Step 3: Cross multiply
171,415.88x = 236,475.36 × 111,005.98 - Step 4: Simplify right side
171,415.88x = 26,250,179,082.65 - Step 5: Solve for x
x = 26,250,179,082.65/171,415.88 - Step 6: Final answer
x = 153,137.38
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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.