Finding the Fourth Proportional to 146,886.36, 202,702.68 and 83,236.32
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Solution
The fourth proportional to 146,886.36, 202,702.68 and 83,236.32 is: 114,865.84
Step by Step Solution
- Step 1: Write the proportion equation
146,886.36 : 202,702.68 = 83,236.32 : x - Step 2: Convert to fraction form
146,886.36/202,702.68 = 83,236.32/x - Step 3: Cross multiply
146,886.36x = 202,702.68 × 83,236.32 - Step 4: Simplify right side
146,886.36x = 16,872,225,137.34 - Step 5: Solve for x
x = 16,872,225,137.34/146,886.36 - Step 6: Final answer
x = 114,865.84
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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.