Finding the Fourth Proportional to 99,575.73, 149,364.14 and 29,455.65
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Solution
The fourth proportional to 99,575.73, 149,364.14 and 29,455.65 is: 44,183.63
Step by Step Solution
- Step 1: Write the proportion equation
99,575.73 : 149,364.14 = 29,455.65 : x - Step 2: Convert to fraction form
99,575.73/149,364.14 = 29,455.65/x - Step 3: Cross multiply
99,575.73x = 149,364.14 × 29,455.65 - Step 4: Simplify right side
99,575.73x = 4,399,617,683.11 - Step 5: Solve for x
x = 4,399,617,683.11/99,575.73 - Step 6: Final answer
x = 44,183.63
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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.