Finding the Fourth Proportional to 168,661.58, 252,992.37 and 56,321.06
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Solution
The fourth proportional to 168,661.58, 252,992.37 and 56,321.06 is: 84,481.59
Step by Step Solution
- Step 1: Write the proportion equation
168,661.58 : 252,992.37 = 56,321.06 : x - Step 2: Convert to fraction form
168,661.58/252,992.37 = 56,321.06/x - Step 3: Cross multiply
168,661.58x = 252,992.37 × 56,321.06 - Step 4: Simplify right side
168,661.58x = 14,248,798,450.31 - Step 5: Solve for x
x = 14,248,798,450.31/168,661.58 - Step 6: Final answer
x = 84,481.59
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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.