Finding the Fourth Proportional to 762,207.77, 1,143,311.56 and 201,247.13
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Solution
The fourth proportional to 762,207.77, 1,143,311.56 and 201,247.13 is: 301,870.66
Step by Step Solution
- Step 1: Write the proportion equation
762,207.77 : 1,143,311.56 = 201,247.13 : x - Step 2: Convert to fraction form
762,207.77/1,143,311.56 = 201,247.13/x - Step 3: Cross multiply
762,207.77x = 1,143,311.56 × 201,247.13 - Step 4: Simplify right side
762,207.77x = 230,088,163,926.15 - Step 5: Solve for x
x = 230,088,163,926.15/762,207.77 - Step 6: Final answer
x = 301,870.66
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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.