Finding the Fourth Proportional to 323,299.44, 485,065.80 and 165,602.16
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Solution
The fourth proportional to 323,299.44, 485,065.80 and 165,602.16 is: 248,462.99
Step by Step Solution
- Step 1: Write the proportion equation
323,299.44 : 485,065.80 = 165,602.16 : x - Step 2: Convert to fraction form
323,299.44/485,065.80 = 165,602.16/x - Step 3: Cross multiply
323,299.44x = 485,065.80 × 165,602.16 - Step 4: Simplify right side
323,299.44x = 80,327,944,222.13 - Step 5: Solve for x
x = 80,327,944,222.13/323,299.44 - Step 6: Final answer
x = 248,462.99
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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.