Finding the Fourth Proportional to 146,213.80, 219,320.70 and 93,725.80
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Solution
The fourth proportional to 146,213.80, 219,320.70 and 93,725.80 is: 140,588.70
Step by Step Solution
- Step 1: Write the proportion equation
146,213.80 : 219,320.70 = 93,725.80 : x - Step 2: Convert to fraction form
146,213.80/219,320.70 = 93,725.80/x - Step 3: Cross multiply
146,213.80x = 219,320.70 × 93,725.80 - Step 4: Simplify right side
146,213.80x = 20,556,008,064.06 - Step 5: Solve for x
x = 20,556,008,064.06/146,213.80 - Step 6: Final answer
x = 140,588.70
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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.