Finding the Fourth Proportional to 387,268.70, 534,343.46 and 234,303.09
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Solution
The fourth proportional to 387,268.70, 534,343.46 and 234,303.09 is: 323,285.42
Step by Step Solution
- Step 1: Write the proportion equation
387,268.70 : 534,343.46 = 234,303.09 : x - Step 2: Convert to fraction form
387,268.70/534,343.46 = 234,303.09/x - Step 3: Cross multiply
387,268.70x = 534,343.46 × 234,303.09 - Step 4: Simplify right side
387,268.70x = 125,198,324,385.05 - Step 5: Solve for x
x = 125,198,324,385.05/387,268.70 - Step 6: Final answer
x = 323,285.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.