Finding the Fourth Proportional to 338,162.72, 466,647.68 and 194,914.08
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Solution
The fourth proportional to 338,162.72, 466,647.68 and 194,914.08 is: 268,971.70
Step by Step Solution
- Step 1: Write the proportion equation
338,162.72 : 466,647.68 = 194,914.08 : x - Step 2: Convert to fraction form
338,162.72/466,647.68 = 194,914.08/x - Step 3: Cross multiply
338,162.72x = 466,647.68 × 194,914.08 - Step 4: Simplify right side
338,162.72x = 90,956,203,231.33 - Step 5: Solve for x
x = 90,956,203,231.33/338,162.72 - Step 6: Final answer
x = 268,971.70
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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.