Finding the Fourth Proportional to 313,902.84, 433,177.02 and 170,659.56
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Solution
The fourth proportional to 313,902.84, 433,177.02 and 170,659.56 is: 235,505.35
Step by Step Solution
- Step 1: Write the proportion equation
313,902.84 : 433,177.02 = 170,659.56 : x - Step 2: Convert to fraction form
313,902.84/433,177.02 = 170,659.56/x - Step 3: Cross multiply
313,902.84x = 433,177.02 × 170,659.56 - Step 4: Simplify right side
313,902.84x = 73,925,799,635.31 - Step 5: Solve for x
x = 73,925,799,635.31/313,902.84 - Step 6: Final answer
x = 235,505.35
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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.