Finding the Fourth Proportional to 146,907.36, 202,731.60 and 83,257.32
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Solution
The fourth proportional to 146,907.36, 202,731.60 and 83,257.32 is: 114,894.79
Step by Step Solution
- Step 1: Write the proportion equation
146,907.36 : 202,731.60 = 83,257.32 : x - Step 2: Convert to fraction form
146,907.36/202,731.60 = 83,257.32/x - Step 3: Cross multiply
146,907.36x = 202,731.60 × 83,257.32 - Step 4: Simplify right side
146,907.36x = 16,878,889,695.31 - Step 5: Solve for x
x = 16,878,889,695.31/146,907.36 - Step 6: Final answer
x = 114,894.79
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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.