Finding the Fourth Proportional to 550,442.63, 825,720.63 and 190,612.79
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Solution
The fourth proportional to 550,442.63, 825,720.63 and 190,612.79 is: 285,938.81
Step by Step Solution
- Step 1: Write the proportion equation
550,442.63 : 825,720.63 = 190,612.79 : x - Step 2: Convert to fraction form
550,442.63/825,720.63 = 190,612.79/x - Step 3: Cross multiply
550,442.63x = 825,720.63 × 190,612.79 - Step 4: Simplify right side
550,442.63x = 157,392,907,963.19 - Step 5: Solve for x
x = 157,392,907,963.19/550,442.63 - Step 6: Final answer
x = 285,938.81
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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.