Finding the Fourth Proportional to 387,975.51, 582,105.42 and 163,392.48
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Solution
The fourth proportional to 387,975.51, 582,105.42 and 163,392.48 is: 245,148.59
Step by Step Solution
- Step 1: Write the proportion equation
387,975.51 : 582,105.42 = 163,392.48 : x - Step 2: Convert to fraction form
387,975.51/582,105.42 = 163,392.48/x - Step 3: Cross multiply
387,975.51x = 582,105.42 × 163,392.48 - Step 4: Simplify right side
387,975.51x = 95,111,648,195.24 - Step 5: Solve for x
x = 95,111,648,195.24/387,975.51 - Step 6: Final answer
x = 245,148.59
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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.