Finding the Fourth Proportional to 154,261.58, 231,415.45 and 49,104.14
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Solution
The fourth proportional to 154,261.58, 231,415.45 and 49,104.14 is: 73,663.55
Step by Step Solution
- Step 1: Write the proportion equation
154,261.58 : 231,415.45 = 49,104.14 : x - Step 2: Convert to fraction form
154,261.58/231,415.45 = 49,104.14/x - Step 3: Cross multiply
154,261.58x = 231,415.45 × 49,104.14 - Step 4: Simplify right side
154,261.58x = 11,363,455,375.13 - Step 5: Solve for x
x = 11,363,455,375.13/154,261.58 - Step 6: Final answer
x = 73,663.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.