Finding the Fourth Proportional to 217,247.49, 299,800.85 and 126,657.09
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Solution
The fourth proportional to 217,247.49, 299,800.85 and 126,657.09 is: 174,786.38
Step by Step Solution
- Step 1: Write the proportion equation
217,247.49 : 299,800.85 = 126,657.09 : x - Step 2: Convert to fraction form
217,247.49/299,800.85 = 126,657.09/x - Step 3: Cross multiply
217,247.49x = 299,800.85 × 126,657.09 - Step 4: Simplify right side
217,247.49x = 37,971,902,607.24 - Step 5: Solve for x
x = 37,971,902,607.24/217,247.49 - Step 6: Final answer
x = 174,786.38
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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.