Finding the Fourth Proportional to 769,193.16, 1,153,899.08 and 236,758.56
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Solution
The fourth proportional to 769,193.16, 1,153,899.08 and 236,758.56 is: 355,171.49
Step by Step Solution
- Step 1: Write the proportion equation
769,193.16 : 1,153,899.08 = 236,758.56 : x - Step 2: Convert to fraction form
769,193.16/1,153,899.08 = 236,758.56/x - Step 3: Cross multiply
769,193.16x = 1,153,899.08 × 236,758.56 - Step 4: Simplify right side
769,193.16x = 273,195,484,566.13 - Step 5: Solve for x
x = 273,195,484,566.13/769,193.16 - Step 6: Final answer
x = 355,171.49
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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.