Finding the Fourth Proportional to 103,665.08, 155,471.70 and 29,793.08
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Solution
The fourth proportional to 103,665.08, 155,471.70 and 29,793.08 is: 44,682.17
Step by Step Solution
- Step 1: Write the proportion equation
103,665.08 : 155,471.70 = 29,793.08 : x - Step 2: Convert to fraction form
103,665.08/155,471.70 = 29,793.08/x - Step 3: Cross multiply
103,665.08x = 155,471.70 × 29,793.08 - Step 4: Simplify right side
103,665.08x = 4,631,980,795.84 - Step 5: Solve for x
x = 4,631,980,795.84/103,665.08 - Step 6: Final answer
x = 44,682.17
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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.