Finding the Fourth Proportional to 313,900.84, 433,174.26 and 170,657.56
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Solution
The fourth proportional to 313,900.84, 433,174.26 and 170,657.56 is: 235,502.59
Step by Step Solution
- Step 1: Write the proportion equation
313,900.84 : 433,174.26 = 170,657.56 : x - Step 2: Convert to fraction form
313,900.84/433,174.26 = 170,657.56/x - Step 3: Cross multiply
313,900.84x = 433,174.26 × 170,657.56 - Step 4: Simplify right side
313,900.84x = 73,924,462,266.41 - Step 5: Solve for x
x = 73,924,462,266.41/313,900.84 - Step 6: Final answer
x = 235,502.59
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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.