Finding the Fourth Proportional to 338,983.67, 508,450.73 and 159,110.07
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Solution
The fourth proportional to 338,983.67, 508,450.73 and 159,110.07 is: 238,653.48
Step by Step Solution
- Step 1: Write the proportion equation
338,983.67 : 508,450.73 = 159,110.07 : x - Step 2: Convert to fraction form
338,983.67/508,450.73 = 159,110.07/x - Step 3: Cross multiply
338,983.67x = 508,450.73 × 159,110.07 - Step 4: Simplify right side
338,983.67x = 80,899,630,446.30 - Step 5: Solve for x
x = 80,899,630,446.30/338,983.67 - Step 6: Final answer
x = 238,653.48
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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.