Finding the Fourth Proportional to 126,297.97, 174,278.79 and 69,705.70
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Solution
The fourth proportional to 126,297.97, 174,278.79 and 69,705.70 is: 96,187.02
Step by Step Solution
- Step 1: Write the proportion equation
126,297.97 : 174,278.79 = 69,705.70 : x - Step 2: Convert to fraction form
126,297.97/174,278.79 = 69,705.70/x - Step 3: Cross multiply
126,297.97x = 174,278.79 × 69,705.70 - Step 4: Simplify right side
126,297.97x = 12,148,224,616.41 - Step 5: Solve for x
x = 12,148,224,616.41/126,297.97 - Step 6: Final answer
x = 96,187.02
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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.