Finding the Fourth Proportional to 146,138.64, 219,214.35 and 46,306.19
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Solution
The fourth proportional to 146,138.64, 219,214.35 and 46,306.19 is: 69,461.31
Step by Step Solution
- Step 1: Write the proportion equation
146,138.64 : 219,214.35 = 46,306.19 : x - Step 2: Convert to fraction form
146,138.64/219,214.35 = 46,306.19/x - Step 3: Cross multiply
146,138.64x = 219,214.35 × 46,306.19 - Step 4: Simplify right side
146,138.64x = 10,150,981,341.83 - Step 5: Solve for x
x = 10,150,981,341.83/146,138.64 - Step 6: Final answer
x = 69,461.31
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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.