Finding the Fourth Proportional to 313,862.70, 433,133.26 and 170,622.84
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Solution
The fourth proportional to 313,862.70, 433,133.26 and 170,622.84 is: 235,461.01
Step by Step Solution
- Step 1: Write the proportion equation
313,862.70 : 433,133.26 = 170,622.84 : x - Step 2: Convert to fraction form
313,862.70/433,133.26 = 170,622.84/x - Step 3: Cross multiply
313,862.70x = 433,133.26 × 170,622.84 - Step 4: Simplify right side
313,862.70x = 73,902,426,919.66 - Step 5: Solve for x
x = 73,902,426,919.66/313,862.70 - Step 6: Final answer
x = 235,461.01
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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.