Finding the Fourth Proportional to 110,868.36, 166,306.82 and 38,807.31
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Solution
The fourth proportional to 110,868.36, 166,306.82 and 38,807.31 is: 58,212.46
Step by Step Solution
- Step 1: Write the proportion equation
110,868.36 : 166,306.82 = 38,807.31 : x - Step 2: Convert to fraction form
110,868.36/166,306.82 = 38,807.31/x - Step 3: Cross multiply
110,868.36x = 166,306.82 × 38,807.31 - Step 4: Simplify right side
110,868.36x = 6,453,920,124.82 - Step 5: Solve for x
x = 6,453,920,124.82/110,868.36 - Step 6: Final answer
x = 58,212.46
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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.