Finding the Fourth Proportional to 168,257.70, 252,331.93 and 55,907.74
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Solution
The fourth proportional to 168,257.70, 252,331.93 and 55,907.74 is: 83,843.46
Step by Step Solution
- Step 1: Write the proportion equation
168,257.70 : 252,331.93 = 55,907.74 : x - Step 2: Convert to fraction form
168,257.70/252,331.93 = 55,907.74/x - Step 3: Cross multiply
168,257.70x = 252,331.93 × 55,907.74 - Step 4: Simplify right side
168,257.70x = 14,107,307,936.14 - Step 5: Solve for x
x = 14,107,307,936.14/168,257.70 - Step 6: Final answer
x = 83,843.46
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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.