Finding the Fourth Proportional to 193,202.30, 289,414.65 and 130,216.70
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Solution
The fourth proportional to 193,202.30, 289,414.65 and 130,216.70 is: 195,063.00
Step by Step Solution
- Step 1: Write the proportion equation
193,202.30 : 289,414.65 = 130,216.70 : x - Step 2: Convert to fraction form
193,202.30/289,414.65 = 130,216.70/x - Step 3: Cross multiply
193,202.30x = 289,414.65 × 130,216.70 - Step 4: Simplify right side
193,202.30x = 37,686,620,654.66 - Step 5: Solve for x
x = 37,686,620,654.66/193,202.30 - Step 6: Final answer
x = 195,063.00
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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.