Finding the Fourth Proportional to 159,414.80, 239,010.36 and 70,620.08
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Solution
The fourth proportional to 159,414.80, 239,010.36 and 70,620.08 is: 105,880.58
Step by Step Solution
- Step 1: Write the proportion equation
159,414.80 : 239,010.36 = 70,620.08 : x - Step 2: Convert to fraction form
159,414.80/239,010.36 = 70,620.08/x - Step 3: Cross multiply
159,414.80x = 239,010.36 × 70,620.08 - Step 4: Simplify right side
159,414.80x = 16,878,930,744.03 - Step 5: Solve for x
x = 16,878,930,744.03/159,414.80 - Step 6: Final answer
x = 105,880.58
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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.