Finding the Fourth Proportional to 437,676.30, 656,419.68 and 117,820.26
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Solution
The fourth proportional to 437,676.30, 656,419.68 and 117,820.26 is: 176,704.88
Step by Step Solution
- Step 1: Write the proportion equation
437,676.30 : 656,419.68 = 117,820.26 : x - Step 2: Convert to fraction form
437,676.30/656,419.68 = 117,820.26/x - Step 3: Cross multiply
437,676.30x = 656,419.68 × 117,820.26 - Step 4: Simplify right side
437,676.30x = 77,339,537,366.72 - Step 5: Solve for x
x = 77,339,537,366.72/437,676.30 - Step 6: Final answer
x = 176,704.88
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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.