Finding the Fourth Proportional to 343,009.05, 514,314.11 and 129,793.43
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Solution
The fourth proportional to 343,009.05, 514,314.11 and 129,793.43 is: 194,614.66
Step by Step Solution
- Step 1: Write the proportion equation
343,009.05 : 514,314.11 = 129,793.43 : x - Step 2: Convert to fraction form
343,009.05/514,314.11 = 129,793.43/x - Step 3: Cross multiply
343,009.05x = 514,314.11 × 129,793.43 - Step 4: Simplify right side
343,009.05x = 66,754,589,213.76 - Step 5: Solve for x
x = 66,754,589,213.76/343,009.05 - Step 6: Final answer
x = 194,614.66
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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.