Finding the Fourth Proportional to 767,360.75, 1,151,146.17 and 261,785.99
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Solution
The fourth proportional to 767,360.75, 1,151,146.17 and 261,785.99 is: 392,714.82
Step by Step Solution
- Step 1: Write the proportion equation
767,360.75 : 1,151,146.17 = 261,785.99 : x - Step 2: Convert to fraction form
767,360.75/1,151,146.17 = 261,785.99/x - Step 3: Cross multiply
767,360.75x = 1,151,146.17 × 261,785.99 - Step 4: Simplify right side
767,360.75x = 301,353,937,851.99 - Step 5: Solve for x
x = 301,353,937,851.99/767,360.75 - Step 6: Final answer
x = 392,714.82
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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.