Finding the Fourth Proportional to 703,635.36, 1,055,453.34 and 171,153.12
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Solution
The fourth proportional to 703,635.36, 1,055,453.34 and 171,153.12 is: 256,729.75
Step by Step Solution
- Step 1: Write the proportion equation
703,635.36 : 1,055,453.34 = 171,153.12 : x - Step 2: Convert to fraction form
703,635.36/1,055,453.34 = 171,153.12/x - Step 3: Cross multiply
703,635.36x = 1,055,453.34 × 171,153.12 - Step 4: Simplify right side
703,635.36x = 180,644,132,155.42 - Step 5: Solve for x
x = 180,644,132,155.42/703,635.36 - Step 6: Final answer
x = 256,729.75
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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.