Finding the Fourth Proportional to 213,013.05, 293,953.09 and 117,519.72
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Solution
The fourth proportional to 213,013.05, 293,953.09 and 117,519.72 is: 162,174.50
Step by Step Solution
- Step 1: Write the proportion equation
213,013.05 : 293,953.09 = 117,519.72 : x - Step 2: Convert to fraction form
213,013.05/293,953.09 = 117,519.72/x - Step 3: Cross multiply
213,013.05x = 293,953.09 × 117,519.72 - Step 4: Simplify right side
213,013.05x = 34,545,284,829.93 - Step 5: Solve for x
x = 34,545,284,829.93/213,013.05 - Step 6: Final answer
x = 162,174.50
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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.