Finding the Fourth Proportional to 146,252.56, 219,351.09 and 71,297.32
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Solution
The fourth proportional to 146,252.56, 219,351.09 and 71,297.32 is: 106,932.45
Step by Step Solution
- Step 1: Write the proportion equation
146,252.56 : 219,351.09 = 71,297.32 : x - Step 2: Convert to fraction form
146,252.56/219,351.09 = 71,297.32/x - Step 3: Cross multiply
146,252.56x = 219,351.09 × 71,297.32 - Step 4: Simplify right side
146,252.56x = 15,639,144,856.08 - Step 5: Solve for x
x = 15,639,144,856.08/146,252.56 - Step 6: Final answer
x = 106,932.45
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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.