Finding the Fourth Proportional to 313,883.13, 433,163.65 and 170,643.72
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Solution
The fourth proportional to 313,883.13, 433,163.65 and 170,643.72 is: 235,491.02
Step by Step Solution
- Step 1: Write the proportion equation
313,883.13 : 433,163.65 = 170,643.72 : x - Step 2: Convert to fraction form
313,883.13/433,163.65 = 170,643.72/x - Step 3: Cross multiply
313,883.13x = 433,163.65 × 170,643.72 - Step 4: Simplify right side
313,883.13x = 73,916,657,900.99 - Step 5: Solve for x
x = 73,916,657,900.99/313,883.13 - Step 6: Final answer
x = 235,491.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.