Finding the Fourth Proportional to 206,598.94, 285,102.79 and 115,947.79
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Solution
The fourth proportional to 206,598.94, 285,102.79 and 115,947.79 is: 160,005.84
Step by Step Solution
- Step 1: Write the proportion equation
206,598.94 : 285,102.79 = 115,947.79 : x - Step 2: Convert to fraction form
206,598.94/285,102.79 = 115,947.79/x - Step 3: Cross multiply
206,598.94x = 285,102.79 × 115,947.79 - Step 4: Simplify right side
206,598.94x = 33,057,037,420.71 - Step 5: Solve for x
x = 33,057,037,420.71/206,598.94 - Step 6: Final answer
x = 160,005.84
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1.5x scale
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.