Finding the Fourth Proportional to 210,993.23, 291,173.87 and 115,508.81
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Solution
The fourth proportional to 210,993.23, 291,173.87 and 115,508.81 is: 159,403.92
Step by Step Solution
- Step 1: Write the proportion equation
210,993.23 : 291,173.87 = 115,508.81 : x - Step 2: Convert to fraction form
210,993.23/291,173.87 = 115,508.81/x - Step 3: Cross multiply
210,993.23x = 291,173.87 × 115,508.81 - Step 4: Simplify right side
210,993.23x = 33,633,147,226.79 - Step 5: Solve for x
x = 33,633,147,226.79/210,993.23 - Step 6: Final answer
x = 159,403.92
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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.