Finding the Fourth Proportional to 444,854.54, 667,318.26 and 129,311.12
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Solution
The fourth proportional to 444,854.54, 667,318.26 and 129,311.12 is: 193,977.28
Step by Step Solution
- Step 1: Write the proportion equation
444,854.54 : 667,318.26 = 129,311.12 : x - Step 2: Convert to fraction form
444,854.54/667,318.26 = 129,311.12/x - Step 3: Cross multiply
444,854.54x = 667,318.26 × 129,311.12 - Step 4: Simplify right side
444,854.54x = 86,291,671,597.05 - Step 5: Solve for x
x = 86,291,671,597.05/444,854.54 - Step 6: Final answer
x = 193,977.28
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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.