Finding the Fourth Proportional to 239,901.08, 331,073.34 and 149,310.68
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Solution
The fourth proportional to 239,901.08, 331,073.34 and 149,310.68 is: 206,054.87
Step by Step Solution
- Step 1: Write the proportion equation
239,901.08 : 331,073.34 = 149,310.68 : x - Step 2: Convert to fraction form
239,901.08/331,073.34 = 149,310.68/x - Step 3: Cross multiply
239,901.08x = 331,073.34 × 149,310.68 - Step 4: Simplify right side
239,901.08x = 49,432,785,525.27 - Step 5: Solve for x
x = 49,432,785,525.27/239,901.08 - Step 6: Final answer
x = 206,054.87
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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.