Finding the Fourth Proportional to 259,701.84, 389,586.24 and 91,209.96
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Solution
The fourth proportional to 259,701.84, 389,586.24 and 91,209.96 is: 136,826.70
Step by Step Solution
- Step 1: Write the proportion equation
259,701.84 : 389,586.24 = 91,209.96 : x - Step 2: Convert to fraction form
259,701.84/389,586.24 = 91,209.96/x - Step 3: Cross multiply
259,701.84x = 389,586.24 × 91,209.96 - Step 4: Simplify right side
259,701.84x = 35,534,145,366.95 - Step 5: Solve for x
x = 35,534,145,366.95/259,701.84 - Step 6: Final answer
x = 136,826.70
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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.