Finding the Fourth Proportional to 965,163.75, 1,447,709.28 and 291,227.15
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Solution
The fourth proportional to 965,163.75, 1,447,709.28 and 291,227.15 is: 436,829.75
Step by Step Solution
- Step 1: Write the proportion equation
965,163.75 : 1,447,709.28 = 291,227.15 : x - Step 2: Convert to fraction form
965,163.75/1,447,709.28 = 291,227.15/x - Step 3: Cross multiply
965,163.75x = 1,447,709.28 × 291,227.15 - Step 4: Simplify right side
965,163.75x = 421,612,240,404.41 - Step 5: Solve for x
x = 421,612,240,404.41/965,163.75 - Step 6: Final answer
x = 436,829.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.