Finding the Fourth Proportional to 691,149.11, 1,036,691.54 and 241,970.75
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Solution
The fourth proportional to 691,149.11, 1,036,691.54 and 241,970.75 is: 362,944.88
Step by Step Solution
- Step 1: Write the proportion equation
691,149.11 : 1,036,691.54 = 241,970.75 : x - Step 2: Convert to fraction form
691,149.11/1,036,691.54 = 241,970.75/x - Step 3: Cross multiply
691,149.11x = 1,036,691.54 × 241,970.75 - Step 4: Simplify right side
691,149.11x = 250,849,029,452.46 - Step 5: Solve for x
x = 250,849,029,452.46/691,149.11 - Step 6: Final answer
x = 362,944.88
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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.