Finding the Fourth Proportional to 431,652.00, 647,537.09 and 147,266.20
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Solution
The fourth proportional to 431,652.00, 647,537.09 and 147,266.20 is: 220,919.46
Step by Step Solution
- Step 1: Write the proportion equation
431,652.00 : 647,537.09 = 147,266.20 : x - Step 2: Convert to fraction form
431,652.00/647,537.09 = 147,266.20/x - Step 3: Cross multiply
431,652.00x = 647,537.09 × 147,266.20 - Step 4: Simplify right side
431,652.00x = 95,360,326,676.45 - Step 5: Solve for x
x = 95,360,326,676.45/431,652.00 - Step 6: Final answer
x = 220,919.46
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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.