Finding the Fourth Proportional to 146,449.87, 219,799.62 and 57,765.65
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Solution
The fourth proportional to 146,449.87, 219,799.62 and 57,765.65 is: 86,697.71
Step by Step Solution
- Step 1: Write the proportion equation
146,449.87 : 219,799.62 = 57,765.65 : x - Step 2: Convert to fraction form
146,449.87/219,799.62 = 57,765.65/x - Step 3: Cross multiply
146,449.87x = 219,799.62 × 57,765.65 - Step 4: Simplify right side
146,449.87x = 12,696,867,630.22 - Step 5: Solve for x
x = 12,696,867,630.22/146,449.87 - Step 6: Final answer
x = 86,697.71
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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.