Finding the Fourth Proportional to 210,992.24, 291,305.09 and 188,292.23
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Solution
The fourth proportional to 210,992.24, 291,305.09 and 188,292.23 is: 259,964.46
Step by Step Solution
- Step 1: Write the proportion equation
210,992.24 : 291,305.09 = 188,292.23 : x - Step 2: Convert to fraction form
210,992.24/291,305.09 = 188,292.23/x - Step 3: Cross multiply
210,992.24x = 291,305.09 × 188,292.23 - Step 4: Simplify right side
210,992.24x = 54,850,485,113.05 - Step 5: Solve for x
x = 54,850,485,113.05/210,992.24 - Step 6: Final answer
x = 259,964.46
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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.