Finding the Fourth Proportional to 340,578.75, 470,013.26 and 189,675.75
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Solution
The fourth proportional to 340,578.75, 470,013.26 and 189,675.75 is: 261,760.65
Step by Step Solution
- Step 1: Write the proportion equation
340,578.75 : 470,013.26 = 189,675.75 : x - Step 2: Convert to fraction form
340,578.75/470,013.26 = 189,675.75/x - Step 3: Cross multiply
340,578.75x = 470,013.26 × 189,675.75 - Step 4: Simplify right side
340,578.75x = 89,150,116,652.07 - Step 5: Solve for x
x = 89,150,116,652.07/340,578.75 - Step 6: Final answer
x = 261,760.65
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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.