Finding the Fourth Proportional to 218,207.94, 301,122.23 and 126,331.09
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Solution
The fourth proportional to 218,207.94, 301,122.23 and 126,331.09 is: 174,334.17
Step by Step Solution
- Step 1: Write the proportion equation
218,207.94 : 301,122.23 = 126,331.09 : x - Step 2: Convert to fraction form
218,207.94/301,122.23 = 126,331.09/x - Step 3: Cross multiply
218,207.94x = 301,122.23 × 126,331.09 - Step 4: Simplify right side
218,207.94x = 38,041,099,848.48 - Step 5: Solve for x
x = 38,041,099,848.48/218,207.94 - Step 6: Final answer
x = 174,334.17
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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.