Finding the Fourth Proportional to 524,961.77, 787,409.84 and 272,166.44
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Solution
The fourth proportional to 524,961.77, 787,409.84 and 272,166.44 is: 408,232.64
Step by Step Solution
- Step 1: Write the proportion equation
524,961.77 : 787,409.84 = 272,166.44 : x - Step 2: Convert to fraction form
524,961.77/787,409.84 = 272,166.44/x - Step 3: Cross multiply
524,961.77x = 787,409.84 × 272,166.44 - Step 4: Simplify right side
524,961.77x = 214,306,529,717.14 - Step 5: Solve for x
x = 214,306,529,717.14/524,961.77 - Step 6: Final answer
x = 408,232.64
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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.