Finding the Fourth Proportional to 782,034.21, 1,173,177.86 and 242,163.59
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Solution
The fourth proportional to 782,034.21, 1,173,177.86 and 242,163.59 is: 363,284.56
Step by Step Solution
- Step 1: Write the proportion equation
782,034.21 : 1,173,177.86 = 242,163.59 : x - Step 2: Convert to fraction form
782,034.21/1,173,177.86 = 242,163.59/x - Step 3: Cross multiply
782,034.21x = 1,173,177.86 × 242,163.59 - Step 4: Simplify right side
782,034.21x = 284,100,955,209.41 - Step 5: Solve for x
x = 284,100,955,209.41/782,034.21 - Step 6: Final answer
x = 363,284.56
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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.