Finding the Fourth Proportional to 213,051.92, 294,001.80 and 122,344.08
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Solution
The fourth proportional to 213,051.92, 294,001.80 and 122,344.08 is: 168,829.17
Step by Step Solution
- Step 1: Write the proportion equation
213,051.92 : 294,001.80 = 122,344.08 : x - Step 2: Convert to fraction form
213,051.92/294,001.80 = 122,344.08/x - Step 3: Cross multiply
213,051.92x = 294,001.80 × 122,344.08 - Step 4: Simplify right side
213,051.92x = 35,969,379,739.34 - Step 5: Solve for x
x = 35,969,379,739.34/213,051.92 - Step 6: Final answer
x = 168,829.17
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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.