Finding the Fourth Proportional to 216,793.42, 298,976.13 and 186,156.09
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Solution
The fourth proportional to 216,793.42, 298,976.13 and 186,156.09 is: 256,724.71
Step by Step Solution
- Step 1: Write the proportion equation
216,793.42 : 298,976.13 = 186,156.09 : x - Step 2: Convert to fraction form
216,793.42/298,976.13 = 186,156.09/x - Step 3: Cross multiply
216,793.42x = 298,976.13 × 186,156.09 - Step 4: Simplify right side
216,793.42x = 55,656,227,364.13 - Step 5: Solve for x
x = 55,656,227,364.13/216,793.42 - Step 6: Final answer
x = 256,724.71
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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.