Finding the Fourth Proportional to 168,235.74, 252,351.18 and 49,987.08
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Solution
The fourth proportional to 168,235.74, 252,351.18 and 49,987.08 is: 74,979.90
Step by Step Solution
- Step 1: Write the proportion equation
168,235.74 : 252,351.18 = 49,987.08 : x - Step 2: Convert to fraction form
168,235.74/252,351.18 = 49,987.08/x - Step 3: Cross multiply
168,235.74x = 252,351.18 × 49,987.08 - Step 4: Simplify right side
168,235.74x = 12,614,298,622.75 - Step 5: Solve for x
x = 12,614,298,622.75/168,235.74 - Step 6: Final answer
x = 74,979.90
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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.