Finding the Fourth Proportional to 457,959.56, 632,201.18 and 305,252.28
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Solution
The fourth proportional to 457,959.56, 632,201.18 and 305,252.28 is: 421,392.78
Step by Step Solution
- Step 1: Write the proportion equation
457,959.56 : 632,201.18 = 305,252.28 : x - Step 2: Convert to fraction form
457,959.56/632,201.18 = 305,252.28/x - Step 3: Cross multiply
457,959.56x = 632,201.18 × 305,252.28 - Step 4: Simplify right side
457,959.56x = 192,980,850,087.43 - Step 5: Solve for x
x = 192,980,850,087.43/457,959.56 - Step 6: Final answer
x = 421,392.78
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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.