Finding the Fourth Proportional to 245,711.68, 368,183.52 and 170,977.84
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Solution
The fourth proportional to 245,711.68, 368,183.52 and 170,977.84 is: 256,199.55
Step by Step Solution
- Step 1: Write the proportion equation
245,711.68 : 368,183.52 = 170,977.84 : x - Step 2: Convert to fraction form
245,711.68/368,183.52 = 170,977.84/x - Step 3: Cross multiply
245,711.68x = 368,183.52 × 170,977.84 - Step 4: Simplify right side
245,711.68x = 62,951,222,973.20 - Step 5: Solve for x
x = 62,951,222,973.20/245,711.68 - Step 6: Final answer
x = 256,199.55
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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.