Finding the Fourth Proportional to 919,291.68, 1,378,932.90 and 236,177.79
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Solution
The fourth proportional to 919,291.68, 1,378,932.90 and 236,177.79 is: 354,265.49
Step by Step Solution
- Step 1: Write the proportion equation
919,291.68 : 1,378,932.90 = 236,177.79 : x - Step 2: Convert to fraction form
919,291.68/1,378,932.90 = 236,177.79/x - Step 3: Cross multiply
919,291.68x = 1,378,932.90 × 236,177.79 - Step 4: Simplify right side
919,291.68x = 325,673,321,759.11 - Step 5: Solve for x
x = 325,673,321,759.11/919,291.68 - Step 6: Final answer
x = 354,265.49
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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.