Finding the Fourth Proportional to 164,425.80, 246,638.70 and 146,929.80
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Solution
The fourth proportional to 164,425.80, 246,638.70 and 146,929.80 is: 220,394.70
Step by Step Solution
- Step 1: Write the proportion equation
164,425.80 : 246,638.70 = 146,929.80 : x - Step 2: Convert to fraction form
164,425.80/246,638.70 = 146,929.80/x - Step 3: Cross multiply
164,425.80x = 246,638.70 × 146,929.80 - Step 4: Simplify right side
164,425.80x = 36,238,574,863.26 - Step 5: Solve for x
x = 36,238,574,863.26/164,425.80 - Step 6: Final answer
x = 220,394.70
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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.