Finding the Fourth Proportional to 358,455.44, 494,416.56 and 235,908.79
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Solution
The fourth proportional to 358,455.44, 494,416.56 and 235,908.79 is: 325,388.31
Step by Step Solution
- Step 1: Write the proportion equation
358,455.44 : 494,416.56 = 235,908.79 : x - Step 2: Convert to fraction form
358,455.44/494,416.56 = 235,908.79/x - Step 3: Cross multiply
358,455.44x = 494,416.56 × 235,908.79 - Step 4: Simplify right side
358,455.44x = 116,637,212,074.18 - Step 5: Solve for x
x = 116,637,212,074.18/358,455.44 - Step 6: Final answer
x = 325,388.31
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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.