Finding the Fourth Proportional to 475,642.76, 713,087.74 and 235,586.70
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Solution
The fourth proportional to 475,642.76, 713,087.74 and 235,586.70 is: 353,193.62
Step by Step Solution
- Step 1: Write the proportion equation
475,642.76 : 713,087.74 = 235,586.70 : x - Step 2: Convert to fraction form
475,642.76/713,087.74 = 235,586.70/x - Step 3: Cross multiply
475,642.76x = 713,087.74 × 235,586.70 - Step 4: Simplify right side
475,642.76x = 167,993,987,477.06 - Step 5: Solve for x
x = 167,993,987,477.06/475,642.76 - Step 6: Final answer
x = 353,193.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.