Finding the Fourth Proportional to 304,622.75, 420,379.80 and 170,486.75
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Solution
The fourth proportional to 304,622.75, 420,379.80 and 170,486.75 is: 235,271.94
Step by Step Solution
- Step 1: Write the proportion equation
304,622.75 : 420,379.80 = 170,486.75 : x - Step 2: Convert to fraction form
304,622.75/420,379.80 = 170,486.75/x - Step 3: Cross multiply
304,622.75x = 420,379.80 × 170,486.75 - Step 4: Simplify right side
304,622.75x = 71,669,185,867.65 - Step 5: Solve for x
x = 71,669,185,867.65/304,622.75 - Step 6: Final answer
x = 235,271.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.