Finding the Fourth Proportional to 358,311.06, 494,579.97 and 230,986.26
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Solution
The fourth proportional to 358,311.06, 494,579.97 and 230,986.26 is: 318,832.41
Step by Step Solution
- Step 1: Write the proportion equation
358,311.06 : 494,579.97 = 230,986.26 : x - Step 2: Convert to fraction form
358,311.06/494,579.97 = 230,986.26/x - Step 3: Cross multiply
358,311.06x = 494,579.97 × 230,986.26 - Step 4: Simplify right side
358,311.06x = 114,241,177,541.21 - Step 5: Solve for x
x = 114,241,177,541.21/358,311.06 - Step 6: Final answer
x = 318,832.41
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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.