Finding the Fourth Proportional to 213,554.04, 294,778.79 and 122,946.12
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Solution
The fourth proportional to 213,554.04, 294,778.79 and 122,946.12 is: 169,708.37
Step by Step Solution
- Step 1: Write the proportion equation
213,554.04 : 294,778.79 = 122,946.12 : x - Step 2: Convert to fraction form
213,554.04/294,778.79 = 122,946.12/x - Step 3: Cross multiply
213,554.04x = 294,778.79 × 122,946.12 - Step 4: Simplify right side
213,554.04x = 36,241,906,400.17 - Step 5: Solve for x
x = 36,241,906,400.17/213,554.04 - Step 6: Final answer
x = 169,708.37
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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.