Finding the Fourth Proportional to 168,521.83, 252,698.07 and 56,162.68
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Solution
The fourth proportional to 168,521.83, 252,698.07 and 56,162.68 is: 84,215.80
Step by Step Solution
- Step 1: Write the proportion equation
168,521.83 : 252,698.07 = 56,162.68 : x - Step 2: Convert to fraction form
168,521.83/252,698.07 = 56,162.68/x - Step 3: Cross multiply
168,521.83x = 252,698.07 × 56,162.68 - Step 4: Simplify right side
168,521.83x = 14,192,200,842.03 - Step 5: Solve for x
x = 14,192,200,842.03/168,521.83 - Step 6: Final answer
x = 84,215.80
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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.